421497251

素因数分解:

$7^1\times {\mathrm{61}}^1\times {\mathrm{71}}^1\times {\mathrm{13903}}^1$

素因数の和:14042

約数の個数: 16

約数和(自身を含む): 496539648

約数和(自身を除く): 75042397

約数列:

[1, 7, 61, 71, 427, 497, 4331, 13903, 30317, 97321, 848083, 987113, 5936581, 6909791, 60213893, 421497251]

約数ペア:

[(1, 421497251), (7, 60213893), (61, 6909791), (71, 5936581), (427, 987113), (497, 848083), (4331, 97321), (13903, 30317)]