31387964

素因数分解:

$2^2\times {\mathrm{71}}^1\times {\mathrm{79}}^1\times {\mathrm{1399}}^1$

素因数の和:1553

約数の個数: 24

約数和(自身を含む): 56448000

約数和(自身を除く): 25060036

約数列:

[1, 2, 4, 71, 79, 142, 158, 284, 316, 1399, 2798, 5596, 5609, 11218, 22436, 99329, 110521, 198658, 221042, 397316, 442084, 7846991, 15693982, 31387964]

約数ペア:

[(1, 31387964), (2, 15693982), (4, 7846991), (71, 442084), (79, 397316), (142, 221042), (158, 198658), (284, 110521), (316, 99329), (1399, 22436), (2798, 11218), (5596, 5609)]