128215212

素因数分解:

$2^2\times 3^1\times {\mathrm{37}}^1\times {\mathrm{288773}}^1$

素因数の和:288817

約数の個数: 24

約数和(自身を含む): 307255536

約数和(自身を除く): 179040324

約数列:

[1, 2, 3, 4, 6, 12, 37, 74, 111, 148, 222, 444, 288773, 577546, 866319, 1155092, 1732638, 3465276, 10684601, 21369202, 32053803, 42738404, 64107606, 128215212]

約数ペア:

[(1, 128215212), (2, 64107606), (3, 42738404), (4, 32053803), (6, 21369202), (12, 10684601), (37, 3465276), (74, 1732638), (111, 1155092), (148, 866319), (222, 577546), (444, 288773)]