208040812

素因数分解:

$2^2\times 7^1\times {\mathrm{79}}^1\times {\mathrm{163}}^1\times {\mathrm{577}}^1$

素因数の和:830

約数の個数: 48

約数和(自身を含む): 424668160

約数和(自身を除く): 216627348

約数列:

[1, 2, 4, 7, 14, 28, 79, 158, 163, 316, 326, 553, 577, 652, 1106, 1141, 1154, 2212, 2282, 2308, 4039, 4564, 8078, 12877, 16156, 25754, 45583, 51508, 90139, 91166, 94051, 180278, 182332, 188102, 319081, 360556, 376204, 638162, 658357, 1276324, 1316714, 2633428, 7430029, 14860058, 29720116, 52010203, 104020406, 208040812]

約数ペア:

[(1, 208040812), (2, 104020406), (4, 52010203), (7, 29720116), (14, 14860058), (28, 7430029), (79, 2633428), (158, 1316714), (163, 1276324), (316, 658357), (326, 638162), (553, 376204), (577, 360556), (652, 319081), (1106, 188102), (1141, 182332), (1154, 180278), (2212, 94051), (2282, 91166), (2308, 90139), (4039, 51508), (4564, 45583), (8078, 25754), (12877, 16156)]