54977881

素因数分解:

$7^1\times {\mathrm{17}}^1\times {\mathrm{29}}^1\times {\mathrm{89}}^1\times {\mathrm{179}}^1$

素因数の和:321

約数の個数: 32

約数和(自身を含む): 69984000

約数和(自身を除く): 15006119

約数列:

[1, 7, 17, 29, 89, 119, 179, 203, 493, 623, 1253, 1513, 2581, 3043, 3451, 5191, 10591, 15931, 18067, 21301, 36337, 43877, 88247, 111517, 270827, 307139, 461999, 617729, 1895789, 3233993, 7853983, 54977881]

約数ペア:

[(1, 54977881), (7, 7853983), (17, 3233993), (29, 1895789), (89, 617729), (119, 461999), (179, 307139), (203, 270827), (493, 111517), (623, 88247), (1253, 43877), (1513, 36337), (2581, 21301), (3043, 18067), (3451, 15931), (5191, 10591)]