7987375

素因数分解:

$5^3\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{157}}^1$

素因数の和:220

約数の個数: 32

約数和(自身を含む): 11239488

約数和(自身を除く): 3252113

約数列:

[1, 5, 11, 25, 37, 55, 125, 157, 185, 275, 407, 785, 925, 1375, 1727, 2035, 3925, 4625, 5809, 8635, 10175, 19625, 29045, 43175, 50875, 63899, 145225, 215875, 319495, 726125, 1597475, 7987375]

約数ペア:

[(1, 7987375), (5, 1597475), (11, 726125), (25, 319495), (37, 215875), (55, 145225), (125, 63899), (157, 50875), (185, 43175), (275, 29045), (407, 19625), (785, 10175), (925, 8635), (1375, 5809), (1727, 4625), (2035, 3925)]