9990352

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{59}}^1\times {\mathrm{557}}^1$

素因数の和:643

約数の個数: 40

約数和(自身を含む): 20757600

約数和(自身を除く): 10767248

約数列:

[1, 2, 4, 8, 16, 19, 38, 59, 76, 118, 152, 236, 304, 472, 557, 944, 1114, 1121, 2228, 2242, 4456, 4484, 8912, 8968, 10583, 17936, 21166, 32863, 42332, 65726, 84664, 131452, 169328, 262904, 525808, 624397, 1248794, 2497588, 4995176, 9990352]

約数ペア:

[(1, 9990352), (2, 4995176), (4, 2497588), (8, 1248794), (16, 624397), (19, 525808), (38, 262904), (59, 169328), (76, 131452), (118, 84664), (152, 65726), (236, 42332), (304, 32863), (472, 21166), (557, 17936), (944, 10583), (1114, 8968), (1121, 8912), (2228, 4484), (2242, 4456)]