15988475

素因数分解:

$5^2\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{139}}^1$

素因数の和:299

約数の個数: 24

約数和(自身を含む): 20623680

約数和(自身を除く): 4635205

約数列:

[1, 5, 25, 43, 107, 139, 215, 535, 695, 1075, 2675, 3475, 4601, 5977, 14873, 23005, 29885, 74365, 115025, 149425, 371825, 639539, 3197695, 15988475]

約数ペア:

[(1, 15988475), (5, 3197695), (25, 639539), (43, 371825), (107, 149425), (139, 115025), (215, 74365), (535, 29885), (695, 23005), (1075, 14873), (2675, 5977), (3475, 4601)]