388804904

素因数分解:

$2^3\times {\mathrm{19}}^1\times {\mathrm{137}}^1\times {\mathrm{18671}}^1$

素因数の和:18833

約数の個数: 32

約数和(自身を含む): 773020800

約数和(自身を除く): 384215896

約数列:

[1, 2, 4, 8, 19, 38, 76, 137, 152, 274, 548, 1096, 2603, 5206, 10412, 18671, 20824, 37342, 74684, 149368, 354749, 709498, 1418996, 2557927, 2837992, 5115854, 10231708, 20463416, 48600613, 97201226, 194402452, 388804904]

約数ペア:

[(1, 388804904), (2, 194402452), (4, 97201226), (8, 48600613), (19, 20463416), (38, 10231708), (76, 5115854), (137, 2837992), (152, 2557927), (274, 1418996), (548, 709498), (1096, 354749), (2603, 149368), (5206, 74684), (10412, 37342), (18671, 20824)]