258231168

素因数分解:

$2^7\times 3^2\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{401}}^1$

素因数の和:477

約数の個数: 192

約数和(自身を含む): 820900080

約数和(自身を除く): 562668912

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 13, 16, 18, 24, 26, 32, 36, 39, 43, 48, 52, 64, 72, 78, 86, 96, 104, 117, 128, 129, 144, 156, 172, 192, 208, 234, 258, 288, 312, 344, 384, 387, 401, 416, 468, 516, 559, 576, 624, 688, 774, 802, 832, 936, 1032, 1118, 1152, 1203, 1248, 1376, 1548, 1604, 1664, 1677, 1872, 2064, 2236, 2406, 2496, 2752, 3096, 3208, 3354, 3609, 3744, 4128, 4472, 4812, 4992, 5031, 5213, 5504, 6192, 6416, 6708, 7218, 7488, 8256, 8944, 9624, 10062, 10426, 12384, 12832, 13416, 14436, 14976, 15639, 16512, 17243, 17888, 19248, 20124, 20852, 24768, 25664, 26832, 28872, 31278, 34486, 35776, 38496, 40248, 41704, 46917, 49536, 51328, 51729, 53664, 57744, 62556, 68972, 71552, 76992, 80496, 83408, 93834, 103458, 107328, 115488, 125112, 137944, 153984, 155187, 160992, 166816, 187668, 206916, 214656, 224159, 230976, 250224, 275888, 310374, 321984, 333632, 375336, 413832, 448318, 461952, 500448, 551776, 620748, 643968, 667264, 672477, 750672, 827664, 896636, 1000896, 1103552, 1241496, 1344954, 1501344, 1655328, 1793272, 2001792, 2017431, 2207104, 2482992, 2689908, 3002688, 3310656, 3586544, 4034862, 4965984, 5379816, 6005376, 6621312, 7173088, 8069724, 9931968, 10759632, 14346176, 16139448, 19863936, 21519264, 28692352, 32278896, 43038528, 64557792, 86077056, 129115584, 258231168]

約数ペア:

[(1, 258231168), (2, 129115584), (3, 86077056), (4, 64557792), (6, 43038528), (8, 32278896), (9, 28692352), (12, 21519264), (13, 19863936), (16, 16139448), (18, 14346176), (24, 10759632), (26, 9931968), (32, 8069724), (36, 7173088), (39, 6621312), (43, 6005376), (48, 5379816), (52, 4965984), (64, 4034862), (72, 3586544), (78, 3310656), (86, 3002688), (96, 2689908), (104, 2482992), (117, 2207104), (128, 2017431), (129, 2001792), (144, 1793272), (156, 1655328), (172, 1501344), (192, 1344954), (208, 1241496), (234, 1103552), (258, 1000896), (288, 896636), (312, 827664), (344, 750672), (384, 672477), (387, 667264), (401, 643968), (416, 620748), (468, 551776), (516, 500448), (559, 461952), (576, 448318), (624, 413832), (688, 375336), (774, 333632), (802, 321984), (832, 310374), (936, 275888), (1032, 250224), (1118, 230976), (1152, 224159), (1203, 214656), (1248, 206916), (1376, 187668), (1548, 166816), (1604, 160992), (1664, 155187), (1677, 153984), (1872, 137944), (2064, 125112), (2236, 115488), (2406, 107328), (2496, 103458), (2752, 93834), (3096, 83408), (3208, 80496), (3354, 76992), (3609, 71552), (3744, 68972), (4128, 62556), (4472, 57744), (4812, 53664), (4992, 51729), (5031, 51328), (5213, 49536), (5504, 46917), (6192, 41704), (6416, 40248), (6708, 38496), (7218, 35776), (7488, 34486), (8256, 31278), (8944, 28872), (9624, 26832), (10062, 25664), (10426, 24768), (12384, 20852), (12832, 20124), (13416, 19248), (14436, 17888), (14976, 17243), (15639, 16512)]