68788390

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{43}}^1\times {\mathrm{14543}}^1$

素因数の和:14604

約数の個数: 32

約数和(自身を含む): 138226176

約数和(自身を除く): 69437786

約数列:

[1, 2, 5, 10, 11, 22, 43, 55, 86, 110, 215, 430, 473, 946, 2365, 4730, 14543, 29086, 72715, 145430, 159973, 319946, 625349, 799865, 1250698, 1599730, 3126745, 6253490, 6878839, 13757678, 34394195, 68788390]

約数ペア:

[(1, 68788390), (2, 34394195), (5, 13757678), (10, 6878839), (11, 6253490), (22, 3126745), (43, 1599730), (55, 1250698), (86, 799865), (110, 625349), (215, 319946), (430, 159973), (473, 145430), (946, 72715), (2365, 29086), (4730, 14543)]