289302178

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{101}}^1\times {\mathrm{130199}}^1$

素因数の和:130313

約数の個数: 16

約数和(自身を含む): 478094400

約数和(自身を除く): 188792222

約数列:

[1, 2, 11, 22, 101, 202, 1111, 2222, 130199, 260398, 1432189, 2864378, 13150099, 26300198, 144651089, 289302178]

約数ペア:

[(1, 289302178), (2, 144651089), (11, 26300198), (22, 13150099), (101, 2864378), (202, 1432189), (1111, 260398), (2222, 130199)]