78434378

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{101}}^1\times {\mathrm{3209}}^1$

素因数の和:3334

約数の個数: 24

約数和(自身を含む): 130640580

約数和(自身を除く): 52206202

約数列:

[1, 2, 11, 22, 101, 121, 202, 242, 1111, 2222, 3209, 6418, 12221, 24442, 35299, 70598, 324109, 388289, 648218, 776578, 3565199, 7130398, 39217189, 78434378]

約数ペア:

[(1, 78434378), (2, 39217189), (11, 7130398), (22, 3565199), (101, 776578), (121, 648218), (202, 388289), (242, 324109), (1111, 70598), (2222, 35299), (3209, 24442), (6418, 12221)]