31212434

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{101}}^1\times {\mathrm{1277}}^1$

素因数の和:1402

約数の個数: 24

約数和(自身を含む): 52012044

約数和(自身を除く): 20799610

約数列:

[1, 2, 11, 22, 101, 121, 202, 242, 1111, 1277, 2222, 2554, 12221, 14047, 24442, 28094, 128977, 154517, 257954, 309034, 1418747, 2837494, 15606217, 31212434]

約数ペア:

[(1, 31212434), (2, 15606217), (11, 2837494), (22, 1418747), (101, 309034), (121, 257954), (202, 154517), (242, 128977), (1111, 28094), (1277, 24442), (2222, 14047), (2554, 12221)]