3988490

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{359}}^1$

素因数の和:478

約数の個数: 32

約数和(自身を含む): 7931520

約数和(自身を除く): 3943030

約数列:

[1, 2, 5, 10, 11, 22, 55, 101, 110, 202, 359, 505, 718, 1010, 1111, 1795, 2222, 3590, 3949, 5555, 7898, 11110, 19745, 36259, 39490, 72518, 181295, 362590, 398849, 797698, 1994245, 3988490]

約数ペア:

[(1, 3988490), (2, 1994245), (5, 797698), (10, 398849), (11, 362590), (22, 181295), (55, 72518), (101, 39490), (110, 36259), (202, 19745), (359, 11110), (505, 7898), (718, 5555), (1010, 3949), (1111, 3590), (1795, 2222)]