77861615

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{2273}}^1$

素因数の和:2339

約数の個数: 32

約数和(自身を含む): 110025216

約数和(自身を除く): 32163601

約数列:

[1, 5, 13, 17, 31, 65, 85, 155, 221, 403, 527, 1105, 2015, 2273, 2635, 6851, 11365, 29549, 34255, 38641, 70463, 147745, 193205, 352315, 502333, 916019, 1197871, 2511665, 4580095, 5989355, 15572323, 77861615]

約数ペア:

[(1, 77861615), (5, 15572323), (13, 5989355), (17, 4580095), (31, 2511665), (65, 1197871), (85, 916019), (155, 502333), (221, 352315), (403, 193205), (527, 147745), (1105, 70463), (2015, 38641), (2273, 34255), (2635, 29549), (6851, 11365)]