71987251

素因数分解:

$7^1\times {\mathrm{29}}^1\times {\mathrm{131}}^1\times {\mathrm{2707}}^1$

素因数の和:2874

約数の個数: 16

約数和(自身を含む): 85789440

約数和(自身を除く): 13802189

約数列:

[1, 7, 29, 131, 203, 917, 2707, 3799, 18949, 26593, 78503, 354617, 549521, 2482319, 10283893, 71987251]

約数ペア:

[(1, 71987251), (7, 10283893), (29, 2482319), (131, 549521), (203, 354617), (917, 78503), (2707, 26593), (3799, 18949)]