311304890

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{229}}^1\times {\mathrm{10457}}^1$

素因数の和:10706

約数の個数: 32

約数和(自身を含む): 606145680

約数和(自身を除く): 294840790

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 229, 458, 1145, 2290, 2977, 5954, 10457, 14885, 20914, 29770, 52285, 104570, 135941, 271882, 679705, 1359410, 2394653, 4789306, 11973265, 23946530, 31130489, 62260978, 155652445, 311304890]

約数ペア:

[(1, 311304890), (2, 155652445), (5, 62260978), (10, 31130489), (13, 23946530), (26, 11973265), (65, 4789306), (130, 2394653), (229, 1359410), (458, 679705), (1145, 271882), (2290, 135941), (2977, 104570), (5954, 52285), (10457, 29770), (14885, 20914)]