7021625

素因数分解:

$5^3\times {\mathrm{13}}^1\times {\mathrm{29}}^1\times {\mathrm{149}}^1$

素因数の和:206

約数の個数: 32

約数和(自身を含む): 9828000

約数和(自身を除く): 2806375

約数列:

[1, 5, 13, 25, 29, 65, 125, 145, 149, 325, 377, 725, 745, 1625, 1885, 1937, 3625, 3725, 4321, 9425, 9685, 18625, 21605, 47125, 48425, 56173, 108025, 242125, 280865, 540125, 1404325, 7021625]

約数ペア:

[(1, 7021625), (5, 1404325), (13, 540125), (25, 280865), (29, 242125), (65, 108025), (125, 56173), (145, 48425), (149, 47125), (325, 21605), (377, 18625), (725, 9685), (745, 9425), (1625, 4321), (1885, 3725), (1937, 3625)]