129378416

素因数分解:

$2^4\times {\mathrm{137}}^1\times {\mathrm{59023}}^1$

素因数の和:59168

約数の個数: 20

約数和(自身を含む): 252504672

約数和(自身を除く): 123126256

約数列:

[1, 2, 4, 8, 16, 137, 274, 548, 1096, 2192, 59023, 118046, 236092, 472184, 944368, 8086151, 16172302, 32344604, 64689208, 129378416]

約数ペア:

[(1, 129378416), (2, 64689208), (4, 32344604), (8, 16172302), (16, 8086151), (137, 944368), (274, 472184), (548, 236092), (1096, 118046), (2192, 59023)]