856558625

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{431}}^1\times {\mathrm{1223}}^1$

素因数の和:1682

約数の個数: 32

約数和(自身を含む): 1154829312

約数和(自身を除く): 298270687

約数列:

[1, 5, 13, 25, 65, 125, 325, 431, 1223, 1625, 2155, 5603, 6115, 10775, 15899, 28015, 30575, 53875, 79495, 140075, 152875, 397475, 527113, 700375, 1987375, 2635565, 6852469, 13177825, 34262345, 65889125, 171311725, 856558625]

約数ペア:

[(1, 856558625), (5, 171311725), (13, 65889125), (25, 34262345), (65, 13177825), (125, 6852469), (325, 2635565), (431, 1987375), (1223, 700375), (1625, 527113), (2155, 397475), (5603, 152875), (6115, 140075), (10775, 79495), (15899, 53875), (28015, 30575)]