7899775

素因数分解:

$5^2\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{223}}^1$

素因数の和:355

約数の個数: 24

約数和(自身を含む): 10693760

約数和(自身を除く): 2793985

約数列:

[1, 5, 13, 25, 65, 109, 223, 325, 545, 1115, 1417, 2725, 2899, 5575, 7085, 14495, 24307, 35425, 72475, 121535, 315991, 607675, 1579955, 7899775]

約数ペア:

[(1, 7899775), (5, 1579955), (13, 607675), (25, 315991), (65, 121535), (109, 72475), (223, 35425), (325, 24307), (545, 14495), (1115, 7085), (1417, 5575), (2725, 2899)]