61123525

素因数分解:

$5^2\times {\mathrm{61}}^1\times {\mathrm{149}}^1\times {\mathrm{269}}^1$

素因数の和:489

約数の個数: 24

約数和(自身を含む): 77841000

約数和(自身を除く): 16717475

約数列:

[1, 5, 25, 61, 149, 269, 305, 745, 1345, 1525, 3725, 6725, 9089, 16409, 40081, 45445, 82045, 200405, 227225, 410225, 1002025, 2444941, 12224705, 61123525]

約数ペア:

[(1, 61123525), (5, 12224705), (25, 2444941), (61, 1002025), (149, 410225), (269, 227225), (305, 200405), (745, 82045), (1345, 45445), (1525, 40081), (3725, 16409), (6725, 9089)]