209534208

素因数分解:

$2^8\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{677}}^1$

素因数の和:740

約数の個数: 144

約数和(自身を含む): 620852736

約数和(自身を除く): 411318528

約数列:

[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 31, 32, 39, 48, 52, 62, 64, 78, 93, 96, 104, 124, 128, 156, 186, 192, 208, 248, 256, 312, 372, 384, 403, 416, 496, 624, 677, 744, 768, 806, 832, 992, 1209, 1248, 1354, 1488, 1612, 1664, 1984, 2031, 2418, 2496, 2708, 2976, 3224, 3328, 3968, 4062, 4836, 4992, 5416, 5952, 6448, 7936, 8124, 8801, 9672, 9984, 10832, 11904, 12896, 16248, 17602, 19344, 20987, 21664, 23808, 25792, 26403, 32496, 35204, 38688, 41974, 43328, 51584, 52806, 62961, 64992, 70408, 77376, 83948, 86656, 103168, 105612, 125922, 129984, 140816, 154752, 167896, 173312, 211224, 251844, 259968, 272831, 281632, 309504, 335792, 422448, 503688, 519936, 545662, 563264, 671584, 818493, 844896, 1007376, 1091324, 1126528, 1343168, 1636986, 1689792, 2014752, 2182648, 2253056, 2686336, 3273972, 3379584, 4029504, 4365296, 5372672, 6547944, 6759168, 8059008, 8730592, 13095888, 16118016, 17461184, 26191776, 34922368, 52383552, 69844736, 104767104, 209534208]

約数ペア:

[(1, 209534208), (2, 104767104), (3, 69844736), (4, 52383552), (6, 34922368), (8, 26191776), (12, 17461184), (13, 16118016), (16, 13095888), (24, 8730592), (26, 8059008), (31, 6759168), (32, 6547944), (39, 5372672), (48, 4365296), (52, 4029504), (62, 3379584), (64, 3273972), (78, 2686336), (93, 2253056), (96, 2182648), (104, 2014752), (124, 1689792), (128, 1636986), (156, 1343168), (186, 1126528), (192, 1091324), (208, 1007376), (248, 844896), (256, 818493), (312, 671584), (372, 563264), (384, 545662), (403, 519936), (416, 503688), (496, 422448), (624, 335792), (677, 309504), (744, 281632), (768, 272831), (806, 259968), (832, 251844), (992, 211224), (1209, 173312), (1248, 167896), (1354, 154752), (1488, 140816), (1612, 129984), (1664, 125922), (1984, 105612), (2031, 103168), (2418, 86656), (2496, 83948), (2708, 77376), (2976, 70408), (3224, 64992), (3328, 62961), (3968, 52806), (4062, 51584), (4836, 43328), (4992, 41974), (5416, 38688), (5952, 35204), (6448, 32496), (7936, 26403), (8124, 25792), (8801, 23808), (9672, 21664), (9984, 20987), (10832, 19344), (11904, 17602), (12896, 16248)]