15917968

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{607}}^1$

素因数の和:775

約数の個数: 40

約数和(自身を含む): 33926400

約数和(自身を除く): 18008432

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 149, 176, 298, 596, 607, 1192, 1214, 1639, 2384, 2428, 3278, 4856, 6556, 6677, 9712, 13112, 13354, 26224, 26708, 53416, 90443, 106832, 180886, 361772, 723544, 994873, 1447088, 1989746, 3979492, 7958984, 15917968]

約数ペア:

[(1, 15917968), (2, 7958984), (4, 3979492), (8, 1989746), (11, 1447088), (16, 994873), (22, 723544), (44, 361772), (88, 180886), (149, 106832), (176, 90443), (298, 53416), (596, 26708), (607, 26224), (1192, 13354), (1214, 13112), (1639, 9712), (2384, 6677), (2428, 6556), (3278, 4856)]