285719336

素因数分解:

$2^3\times 7^1\times {\mathrm{71}}^1\times {\mathrm{71861}}^1$

素因数の和:71945

約数の個数: 32

約数和(自身を含む): 620887680

約数和(自身を除く): 335168344

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 71, 142, 284, 497, 568, 994, 1988, 3976, 71861, 143722, 287444, 503027, 574888, 1006054, 2012108, 4024216, 5102131, 10204262, 20408524, 35714917, 40817048, 71429834, 142859668, 285719336]

約数ペア:

[(1, 285719336), (2, 142859668), (4, 71429834), (7, 40817048), (8, 35714917), (14, 20408524), (28, 10204262), (56, 5102131), (71, 4024216), (142, 2012108), (284, 1006054), (497, 574888), (568, 503027), (994, 287444), (1988, 143722), (3976, 71861)]