9999016

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{419}}^1$

素因数の和:601

約数の個数: 32

約数和(自身を含む): 19908000

約数和(自身を除く): 9908984

約数列:

[1, 2, 4, 8, 19, 38, 76, 152, 157, 314, 419, 628, 838, 1256, 1676, 2983, 3352, 5966, 7961, 11932, 15922, 23864, 31844, 63688, 65783, 131566, 263132, 526264, 1249877, 2499754, 4999508, 9999016]

約数ペア:

[(1, 9999016), (2, 4999508), (4, 2499754), (8, 1249877), (19, 526264), (38, 263132), (76, 131566), (152, 65783), (157, 63688), (314, 31844), (419, 23864), (628, 15922), (838, 11932), (1256, 7961), (1676, 5966), (2983, 3352)]