691232048

素因数分解:

$2^4\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{107201}}^1$

素因数の和:107253

約数の個数: 40

約数和(自身を含む): 1488821376

約数和(自身を除く): 797589328

約数列:

[1, 2, 4, 8, 13, 16, 26, 31, 52, 62, 104, 124, 208, 248, 403, 496, 806, 1612, 3224, 6448, 107201, 214402, 428804, 857608, 1393613, 1715216, 2787226, 3323231, 5574452, 6646462, 11148904, 13292924, 22297808, 26585848, 43202003, 53171696, 86404006, 172808012, 345616024, 691232048]

約数ペア:

[(1, 691232048), (2, 345616024), (4, 172808012), (8, 86404006), (13, 53171696), (16, 43202003), (26, 26585848), (31, 22297808), (52, 13292924), (62, 11148904), (104, 6646462), (124, 5574452), (208, 3323231), (248, 2787226), (403, 1715216), (496, 1393613), (806, 857608), (1612, 428804), (3224, 214402), (6448, 107201)]