1997520994945

素因数分解:

$5^1\times 7^1\times {\mathrm{220861}}^1\times {\mathrm{258407}}^1$

素因数の和:479280

約数の個数: 16

約数和(自身を含む): 2739480369408

約数和(自身を除く): 741959374463

約数列:

[1, 5, 7, 35, 220861, 258407, 1104305, 1292035, 1546027, 1808849, 7730135, 9044245, 57072028427, 285360142135, 399504198989, 1997520994945]

約数ペア:

[(1, 1997520994945), (5, 399504198989), (7, 285360142135), (35, 57072028427), (220861, 9044245), (258407, 7730135), (1104305, 1808849), (1292035, 1546027)]