2780661392

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{691}}^1\times {\mathrm{5849}}^1$

素因数の和:6591

約数の個数: 40

約数和(自身を含む): 5521744800

約数和(自身を除く): 2741083408

約数列:

[1, 2, 4, 8, 16, 43, 86, 172, 344, 688, 691, 1382, 2764, 5528, 5849, 11056, 11698, 23396, 29713, 46792, 59426, 93584, 118852, 237704, 251507, 475408, 503014, 1006028, 2012056, 4024112, 4041659, 8083318, 16166636, 32333272, 64666544, 173791337, 347582674, 695165348, 1390330696, 2780661392]

約数ペア:

[(1, 2780661392), (2, 1390330696), (4, 695165348), (8, 347582674), (16, 173791337), (43, 64666544), (86, 32333272), (172, 16166636), (344, 8083318), (688, 4041659), (691, 4024112), (1382, 2012056), (2764, 1006028), (5528, 503014), (5849, 475408), (11056, 251507), (11698, 237704), (23396, 118852), (29713, 93584), (46792, 59426)]