12989075

素因数分解:

$5^2\times {\mathrm{11}}^1\times {\mathrm{149}}^1\times {\mathrm{317}}^1$

素因数の和:487

約数の個数: 24

約数和(自身を含む): 17744400

約数和(自身を除く): 4755325

約数列:

[1, 5, 11, 25, 55, 149, 275, 317, 745, 1585, 1639, 3487, 3725, 7925, 8195, 17435, 40975, 47233, 87175, 236165, 519563, 1180825, 2597815, 12989075]

約数ペア:

[(1, 12989075), (5, 2597815), (11, 1180825), (25, 519563), (55, 236165), (149, 87175), (275, 47233), (317, 40975), (745, 17435), (1585, 8195), (1639, 7925), (3487, 3725)]