31315856

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{13687}}^1$

素因数の和:13719

約数の個数: 40

約数和(自身を含む): 71287104

約数和(自身を除く): 39971248

約数列:

[1, 2, 4, 8, 11, 13, 16, 22, 26, 44, 52, 88, 104, 143, 176, 208, 286, 572, 1144, 2288, 13687, 27374, 54748, 109496, 150557, 177931, 218992, 301114, 355862, 602228, 711724, 1204456, 1423448, 1957241, 2408912, 2846896, 3914482, 7828964, 15657928, 31315856]

約数ペア:

[(1, 31315856), (2, 15657928), (4, 7828964), (8, 3914482), (11, 2846896), (13, 2408912), (16, 1957241), (22, 1423448), (26, 1204456), (44, 711724), (52, 602228), (88, 355862), (104, 301114), (143, 218992), (176, 177931), (208, 150557), (286, 109496), (572, 54748), (1144, 27374), (2288, 13687)]