78311225

素因数分解:

$5^2\times {\mathrm{71}}^1\times {\mathrm{44119}}^1$

素因数の和:44200

約数の個数: 12

約数和(自身を含む): 98475840

約数和(自身を除く): 20164615

約数列:

[1, 5, 25, 71, 355, 1775, 44119, 220595, 1102975, 3132449, 15662245, 78311225]

約数ペア:

[(1, 78311225), (5, 15662245), (25, 3132449), (71, 1102975), (355, 220595), (1775, 44119)]