1285704016

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{179}}^1\times {\mathrm{26407}}^1$

素因数の和:26611

約数の個数: 40

約数和(自身を含む): 2652419520

約数和(自身を除く): 1366715504

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 179, 272, 358, 716, 1432, 2864, 3043, 6086, 12172, 24344, 26407, 48688, 52814, 105628, 211256, 422512, 448919, 897838, 1795676, 3591352, 4726853, 7182704, 9453706, 18907412, 37814824, 75629648, 80356501, 160713002, 321426004, 642852008, 1285704016]

約数ペア:

[(1, 1285704016), (2, 642852008), (4, 321426004), (8, 160713002), (16, 80356501), (17, 75629648), (34, 37814824), (68, 18907412), (136, 9453706), (179, 7182704), (272, 4726853), (358, 3591352), (716, 1795676), (1432, 897838), (2864, 448919), (3043, 422512), (6086, 211256), (12172, 105628), (24344, 52814), (26407, 48688)]