399305776

素因数分解:

$2^4\times {\mathrm{37}}^1\times {\mathrm{397}}^1\times {\mathrm{1699}}^1$

素因数の和:2141

約数の個数: 40

約数和(自身を含む): 797034800

約数和(自身を除く): 397729024

約数列:

[1, 2, 4, 8, 16, 37, 74, 148, 296, 397, 592, 794, 1588, 1699, 3176, 3398, 6352, 6796, 13592, 14689, 27184, 29378, 58756, 62863, 117512, 125726, 235024, 251452, 502904, 674503, 1005808, 1349006, 2698012, 5396024, 10792048, 24956611, 49913222, 99826444, 199652888, 399305776]

約数ペア:

[(1, 399305776), (2, 199652888), (4, 99826444), (8, 49913222), (16, 24956611), (37, 10792048), (74, 5396024), (148, 2698012), (296, 1349006), (397, 1005808), (592, 674503), (794, 502904), (1588, 251452), (1699, 235024), (3176, 125726), (3398, 117512), (6352, 62863), (6796, 58756), (13592, 29378), (14689, 27184)]