321384256

素因数分解:

$2^6\times {\mathrm{239}}^1\times {\mathrm{21011}}^1$

素因数の和:21262

約数の個数: 28

約数和(自身を含む): 640445760

約数和(自身を除く): 319061504

約数列:

[1, 2, 4, 8, 16, 32, 64, 239, 478, 956, 1912, 3824, 7648, 15296, 21011, 42022, 84044, 168088, 336176, 672352, 1344704, 5021629, 10043258, 20086516, 40173032, 80346064, 160692128, 321384256]

約数ペア:

[(1, 321384256), (2, 160692128), (4, 80346064), (8, 40173032), (16, 20086516), (32, 10043258), (64, 5021629), (239, 1344704), (478, 672352), (956, 336176), (1912, 168088), (3824, 84044), (7648, 42022), (15296, 21011)]