1640331472

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{1783}}^1\times {\mathrm{4423}}^1$

素因数の和:6227

約数の個数: 40

約数和(自身を含む): 3425308544

約数和(自身を除く): 1784977072

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 208, 1783, 3566, 4423, 7132, 8846, 14264, 17692, 23179, 28528, 35384, 46358, 57499, 70768, 92716, 114998, 185432, 229996, 370864, 459992, 919984, 7886209, 15772418, 31544836, 63089672, 102520717, 126179344, 205041434, 410082868, 820165736, 1640331472]

約数ペア:

[(1, 1640331472), (2, 820165736), (4, 410082868), (8, 205041434), (13, 126179344), (16, 102520717), (26, 63089672), (52, 31544836), (104, 15772418), (208, 7886209), (1783, 919984), (3566, 459992), (4423, 370864), (7132, 229996), (8846, 185432), (14264, 114998), (17692, 92716), (23179, 70768), (28528, 57499), (35384, 46358)]