15728888

素因数分解:

$2^3\times 7^1\times {\mathrm{157}}^1\times {\mathrm{1789}}^1$

素因数の和:1959

約数の個数: 32

約数和(自身を含む): 33938400

約数和(自身を除く): 18209512

約数列:

[1, 2, 4, 7, 8, 14, 28, 56, 157, 314, 628, 1099, 1256, 1789, 2198, 3578, 4396, 7156, 8792, 12523, 14312, 25046, 50092, 100184, 280873, 561746, 1123492, 1966111, 2246984, 3932222, 7864444, 15728888]

約数ペア:

[(1, 15728888), (2, 7864444), (4, 3932222), (7, 2246984), (8, 1966111), (14, 1123492), (28, 561746), (56, 280873), (157, 100184), (314, 50092), (628, 25046), (1099, 14312), (1256, 12523), (1789, 8792), (2198, 7156), (3578, 4396)]