7777250

素因数分解:

$2^1\times 5^3\times {\mathrm{13}}^1\times {\mathrm{2393}}^1$

素因数の和:2423

約数の個数: 32

約数和(自身を含む): 15685488

約数和(自身を除く): 7908238

約数列:

[1, 2, 5, 10, 13, 25, 26, 50, 65, 125, 130, 250, 325, 650, 1625, 2393, 3250, 4786, 11965, 23930, 31109, 59825, 62218, 119650, 155545, 299125, 311090, 598250, 777725, 1555450, 3888625, 7777250]

約数ペア:

[(1, 7777250), (2, 3888625), (5, 1555450), (10, 777725), (13, 598250), (25, 311090), (26, 299125), (50, 155545), (65, 119650), (125, 62218), (130, 59825), (250, 31109), (325, 23930), (650, 11965), (1625, 4786), (2393, 3250)]