72656470

素因数分解:

$2^1\times 5^1\times {\mathrm{17}}^1\times {\mathrm{257}}^1\times {\mathrm{1663}}^1$

素因数の和:1944

約数の個数: 32

約数和(自身を含む): 139097088

約数和(自身を除く): 66440618

約数列:

[1, 2, 5, 10, 17, 34, 85, 170, 257, 514, 1285, 1663, 2570, 3326, 4369, 8315, 8738, 16630, 21845, 28271, 43690, 56542, 141355, 282710, 427391, 854782, 2136955, 4273910, 7265647, 14531294, 36328235, 72656470]

約数ペア:

[(1, 72656470), (2, 36328235), (5, 14531294), (10, 7265647), (17, 4273910), (34, 2136955), (85, 854782), (170, 427391), (257, 282710), (514, 141355), (1285, 56542), (1663, 43690), (2570, 28271), (3326, 21845), (4369, 16630), (8315, 8738)]