31381056

素因数分解:

$2^6\times 3^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{181}}^1$

素因数の和:249

約数の個数: 168

約数和(自身を含む): 105769664

約数和(自身を除く): 74388608

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 16, 18, 21, 24, 28, 32, 36, 42, 43, 48, 56, 63, 64, 72, 84, 86, 96, 112, 126, 129, 144, 168, 172, 181, 192, 224, 252, 258, 288, 301, 336, 344, 362, 387, 448, 504, 516, 543, 576, 602, 672, 688, 724, 774, 903, 1008, 1032, 1086, 1204, 1267, 1344, 1376, 1448, 1548, 1629, 1806, 2016, 2064, 2172, 2408, 2534, 2709, 2752, 2896, 3096, 3258, 3612, 3801, 4032, 4128, 4344, 4816, 5068, 5418, 5792, 6192, 6516, 7224, 7602, 7783, 8256, 8688, 9632, 10136, 10836, 11403, 11584, 12384, 13032, 14448, 15204, 15566, 17376, 19264, 20272, 21672, 22806, 23349, 24768, 26064, 28896, 30408, 31132, 34752, 40544, 43344, 45612, 46698, 52128, 54481, 57792, 60816, 62264, 70047, 81088, 86688, 91224, 93396, 104256, 108962, 121632, 124528, 140094, 163443, 173376, 182448, 186792, 217924, 243264, 249056, 280188, 326886, 364896, 373584, 435848, 490329, 498112, 560376, 653772, 729792, 747168, 871696, 980658, 1120752, 1307544, 1494336, 1743392, 1961316, 2241504, 2615088, 3486784, 3922632, 4483008, 5230176, 7845264, 10460352, 15690528, 31381056]

約数ペア:

[(1, 31381056), (2, 15690528), (3, 10460352), (4, 7845264), (6, 5230176), (7, 4483008), (8, 3922632), (9, 3486784), (12, 2615088), (14, 2241504), (16, 1961316), (18, 1743392), (21, 1494336), (24, 1307544), (28, 1120752), (32, 980658), (36, 871696), (42, 747168), (43, 729792), (48, 653772), (56, 560376), (63, 498112), (64, 490329), (72, 435848), (84, 373584), (86, 364896), (96, 326886), (112, 280188), (126, 249056), (129, 243264), (144, 217924), (168, 186792), (172, 182448), (181, 173376), (192, 163443), (224, 140094), (252, 124528), (258, 121632), (288, 108962), (301, 104256), (336, 93396), (344, 91224), (362, 86688), (387, 81088), (448, 70047), (504, 62264), (516, 60816), (543, 57792), (576, 54481), (602, 52128), (672, 46698), (688, 45612), (724, 43344), (774, 40544), (903, 34752), (1008, 31132), (1032, 30408), (1086, 28896), (1204, 26064), (1267, 24768), (1344, 23349), (1376, 22806), (1448, 21672), (1548, 20272), (1629, 19264), (1806, 17376), (2016, 15566), (2064, 15204), (2172, 14448), (2408, 13032), (2534, 12384), (2709, 11584), (2752, 11403), (2896, 10836), (3096, 10136), (3258, 9632), (3612, 8688), (3801, 8256), (4032, 7783), (4128, 7602), (4344, 7224), (4816, 6516), (5068, 6192), (5418, 5792)]