4487405

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{31}}^1\times {\mathrm{131}}^1$

素因数の和:197

約数の個数: 32

約数和(自身を含む): 6386688

約数和(自身を除く): 1899283

約数列:

[1, 5, 13, 17, 31, 65, 85, 131, 155, 221, 403, 527, 655, 1105, 1703, 2015, 2227, 2635, 4061, 6851, 8515, 11135, 20305, 28951, 34255, 52793, 69037, 144755, 263965, 345185, 897481, 4487405]

約数ペア:

[(1, 4487405), (5, 897481), (13, 345185), (17, 263965), (31, 144755), (65, 69037), (85, 52793), (131, 34255), (155, 28951), (221, 20305), (403, 11135), (527, 8515), (655, 6851), (1105, 4061), (1703, 2635), (2015, 2227)]