7256912

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{139}}^1\times {\mathrm{251}}^1$

素因数の和:411

約数の個数: 40

約数和(自身を含む): 15311520

約数和(自身を除く): 8054608

約数列:

[1, 2, 4, 8, 13, 16, 26, 52, 104, 139, 208, 251, 278, 502, 556, 1004, 1112, 1807, 2008, 2224, 3263, 3614, 4016, 6526, 7228, 13052, 14456, 26104, 28912, 34889, 52208, 69778, 139556, 279112, 453557, 558224, 907114, 1814228, 3628456, 7256912]

約数ペア:

[(1, 7256912), (2, 3628456), (4, 1814228), (8, 907114), (13, 558224), (16, 453557), (26, 279112), (52, 139556), (104, 69778), (139, 52208), (208, 34889), (251, 28912), (278, 26104), (502, 14456), (556, 13052), (1004, 7228), (1112, 6526), (1807, 4016), (2008, 3614), (2224, 3263)]