28458661

素因数分解:

$7^2\times {\mathrm{11}}^1\times {\mathrm{37}}^1\times {\mathrm{1427}}^1$

素因数の和:1489

約数の個数: 24

約数和(自身を含む): 37116576

約数和(自身を除く): 8657915

約数列:

[1, 7, 11, 37, 49, 77, 259, 407, 539, 1427, 1813, 2849, 9989, 15697, 19943, 52799, 69923, 109879, 369593, 580789, 769153, 2587151, 4065523, 28458661]

約数ペア:

[(1, 28458661), (7, 4065523), (11, 2587151), (37, 769153), (49, 580789), (77, 369593), (259, 109879), (407, 69923), (539, 52799), (1427, 19943), (1813, 15697), (2849, 9989)]