28491664

素因数分解:

$2^4\times {\mathrm{23}}^1\times {\mathrm{139}}^1\times {\mathrm{557}}^1$

素因数の和:727

約数の個数: 40

約数和(自身を含む): 58121280

約数和(自身を除く): 29629616

約数列:

[1, 2, 4, 8, 16, 23, 46, 92, 139, 184, 278, 368, 556, 557, 1112, 1114, 2224, 2228, 3197, 4456, 6394, 8912, 12788, 12811, 25576, 25622, 51152, 51244, 77423, 102488, 154846, 204976, 309692, 619384, 1238768, 1780729, 3561458, 7122916, 14245832, 28491664]

約数ペア:

[(1, 28491664), (2, 14245832), (4, 7122916), (8, 3561458), (16, 1780729), (23, 1238768), (46, 619384), (92, 309692), (139, 204976), (184, 154846), (278, 102488), (368, 77423), (556, 51244), (557, 51152), (1112, 25622), (1114, 25576), (2224, 12811), (2228, 12788), (3197, 8912), (4456, 6394)]