720331456

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{865783}}^1$

素因数の和:865808

約数の個数: 28

約数和(自身を含む): 1539363952

約数和(自身を除く): 819032496

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 208, 416, 832, 865783, 1731566, 3463132, 6926264, 11255179, 13852528, 22510358, 27705056, 45020716, 55410112, 90041432, 180082864, 360165728, 720331456]

約数ペア:

[(1, 720331456), (2, 360165728), (4, 180082864), (8, 90041432), (13, 55410112), (16, 45020716), (26, 27705056), (32, 22510358), (52, 13852528), (64, 11255179), (104, 6926264), (208, 3463132), (416, 1731566), (832, 865783)]