161890624415

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{41}}^1\times {\mathrm{263}}^1\times {\mathrm{230977}}^1$

素因数の和:231299

約数の個数: 32

約数和(自身を含む): 215131061376

約数和(自身を除く): 53240436961

約数列:

[1, 5, 13, 41, 65, 205, 263, 533, 1315, 2665, 3419, 10783, 17095, 53915, 140179, 230977, 700895, 1154885, 3002701, 9470057, 15013505, 47350285, 60746951, 123110741, 303734755, 615553705, 789710363, 2490624991, 3948551815, 12453124955, 32378124883, 161890624415]

約数ペア:

[(1, 161890624415), (5, 32378124883), (13, 12453124955), (41, 3948551815), (65, 2490624991), (205, 789710363), (263, 615553705), (533, 303734755), (1315, 123110741), (2665, 60746951), (3419, 47350285), (10783, 15013505), (17095, 9470057), (53915, 3002701), (140179, 1154885), (230977, 700895)]