16678625

素因数分解:

$5^3\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1$

素因数の和:194

約数の個数: 32

約数和(自身を含む): 22239360

約数和(自身を除く): 5560735

約数列:

[1, 5, 25, 29, 43, 107, 125, 145, 215, 535, 725, 1075, 1247, 2675, 3103, 3625, 4601, 5375, 6235, 13375, 15515, 23005, 31175, 77575, 115025, 133429, 155875, 387875, 575125, 667145, 3335725, 16678625]

約数ペア:

[(1, 16678625), (5, 3335725), (25, 667145), (29, 575125), (43, 387875), (107, 155875), (125, 133429), (145, 115025), (215, 77575), (535, 31175), (725, 23005), (1075, 15515), (1247, 13375), (2675, 6235), (3103, 5375), (3625, 4601)]