128913974

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{484639}}^1$

素因数の和:484667

約数の個数: 16

約数和(自身を含む): 232627200

約数和(自身を除く): 103713226

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 484639, 969278, 3392473, 6784946, 9208141, 18416282, 64456987, 128913974]

約数ペア:

[(1, 128913974), (2, 64456987), (7, 18416282), (14, 9208141), (19, 6784946), (38, 3392473), (133, 969278), (266, 484639)]