199906786

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1\times {\mathrm{151}}^1\times {\mathrm{163}}^1$

素因数の和:478

約数の個数: 32

約数和(自身を含む): 315887616

約数和(自身を除く): 115980830

約数列:

[1, 2, 31, 62, 131, 151, 163, 262, 302, 326, 4061, 4681, 5053, 8122, 9362, 10106, 19781, 21353, 24613, 39562, 42706, 49226, 613211, 661943, 763003, 1226422, 1323886, 1526006, 3224303, 6448606, 99953393, 199906786]

約数ペア:

[(1, 199906786), (2, 99953393), (31, 6448606), (62, 3224303), (131, 1526006), (151, 1323886), (163, 1226422), (262, 763003), (302, 661943), (326, 613211), (4061, 49226), (4681, 42706), (5053, 39562), (8122, 24613), (9362, 21353), (10106, 19781)]