128420305

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{1097}}^1\times {\mathrm{1801}}^1$

素因数の和:2916

約数の個数: 16

約数和(自身を含む): 166202064

約数和(自身を除く): 37781759

約数列:

[1, 5, 13, 65, 1097, 1801, 5485, 9005, 14261, 23413, 71305, 117065, 1975697, 9878485, 25684061, 128420305]

約数ペア:

[(1, 128420305), (5, 25684061), (13, 9878485), (65, 1975697), (1097, 117065), (1801, 71305), (5485, 23413), (9005, 14261)]