320908

素因数分解:

$2^2\times 7^1\times {\mathrm{73}}^1\times {\mathrm{157}}^1$

素因数の和:241

約数の個数: 24

約数和(自身を含む): 654752

約数和(自身を除く): 333844

約数列:

[1, 2, 4, 7, 14, 28, 73, 146, 157, 292, 314, 511, 628, 1022, 1099, 2044, 2198, 4396, 11461, 22922, 45844, 80227, 160454, 320908]

約数ペア:

[(1, 320908), (2, 160454), (4, 80227), (7, 45844), (14, 22922), (28, 11461), (73, 4396), (146, 2198), (157, 2044), (292, 1099), (314, 1022), (511, 628)]