318321008

素因数分解:

$2^4\times {\mathrm{643}}^1\times {\mathrm{30941}}^1$

素因数の和:31592

約数の個数: 20

約数和(自身を含む): 617726088

約数和(自身を除く): 299405080

約数列:

[1, 2, 4, 8, 16, 643, 1286, 2572, 5144, 10288, 30941, 61882, 123764, 247528, 495056, 19895063, 39790126, 79580252, 159160504, 318321008]

約数ペア:

[(1, 318321008), (2, 159160504), (4, 79580252), (8, 39790126), (16, 19895063), (643, 495056), (1286, 247528), (2572, 123764), (5144, 61882), (10288, 30941)]