203313985

素因数分解:

$5^1\times 7^2\times {\mathrm{257}}^1\times {\mathrm{3229}}^1$

素因数の和:3505

約数の個数: 24

約数和(自身を含む): 285002280

約数和(自身を除く): 81688295

約数列:

[1, 5, 7, 35, 49, 245, 257, 1285, 1799, 3229, 8995, 12593, 16145, 22603, 62965, 113015, 158221, 791105, 829853, 4149265, 5808971, 29044855, 40662797, 203313985]

約数ペア:

[(1, 203313985), (5, 40662797), (7, 29044855), (35, 5808971), (49, 4149265), (245, 829853), (257, 791105), (1285, 158221), (1799, 113015), (3229, 62965), (8995, 22603), (12593, 16145)]