291225016

素因数分解:

$2^3\times {\mathrm{101}}^1\times {\mathrm{139}}^1\times {\mathrm{2593}}^1$

素因数の和:2839

約数の個数: 32

約数和(自身を含む): 555634800

約数和(自身を除く): 264409784

約数列:

[1, 2, 4, 8, 101, 139, 202, 278, 404, 556, 808, 1112, 2593, 5186, 10372, 14039, 20744, 28078, 56156, 112312, 261893, 360427, 523786, 720854, 1047572, 1441708, 2095144, 2883416, 36403127, 72806254, 145612508, 291225016]

約数ペア:

[(1, 291225016), (2, 145612508), (4, 72806254), (8, 36403127), (101, 2883416), (139, 2095144), (202, 1441708), (278, 1047572), (404, 720854), (556, 523786), (808, 360427), (1112, 261893), (2593, 112312), (5186, 56156), (10372, 28078), (14039, 20744)]