90123878

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{241}}^1\times {\mathrm{757}}^1$

素因数の和:1032

約数の個数: 32

約数和(自身を含む): 154086240

約数和(自身を除く): 63962362

約数列:

[1, 2, 13, 19, 26, 38, 241, 247, 482, 494, 757, 1514, 3133, 4579, 6266, 9158, 9841, 14383, 19682, 28766, 59527, 119054, 182437, 186979, 364874, 373958, 2371681, 3466303, 4743362, 6932606, 45061939, 90123878]

約数ペア:

[(1, 90123878), (2, 45061939), (13, 6932606), (19, 4743362), (26, 3466303), (38, 2371681), (241, 373958), (247, 364874), (482, 186979), (494, 182437), (757, 119054), (1514, 59527), (3133, 28766), (4579, 19682), (6266, 14383), (9158, 9841)]