9507938

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{101}}^1\times {\mathrm{389}}^1$

素因数の和:514

約数の個数: 24

約数和(自身を含む): 15872220

約数和(自身を除く): 6364282

約数列:

[1, 2, 11, 22, 101, 121, 202, 242, 389, 778, 1111, 2222, 4279, 8558, 12221, 24442, 39289, 47069, 78578, 94138, 432179, 864358, 4753969, 9507938]

約数ペア:

[(1, 9507938), (2, 4753969), (11, 864358), (22, 432179), (101, 94138), (121, 78578), (202, 47069), (242, 39289), (389, 24442), (778, 12221), (1111, 8558), (2222, 4279)]