71228375

素因数分解:

$5^3\times {\mathrm{79}}^1\times {\mathrm{7213}}^1$

素因数の和:7307

約数の個数: 16

約数和(自身を含む): 90030720

約数和(自身を除く): 18802345

約数列:

[1, 5, 25, 79, 125, 395, 1975, 7213, 9875, 36065, 180325, 569827, 901625, 2849135, 14245675, 71228375]

約数ペア:

[(1, 71228375), (5, 14245675), (25, 2849135), (79, 901625), (125, 569827), (395, 180325), (1975, 36065), (7213, 9875)]