251220697

素因数分解:

$7^2\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{1319}}^1$

素因数の和:1382

約数の個数: 36

約数和(自身を含む): 330454080

約数和(自身を除く): 79233383

約数列:

[1, 7, 13, 23, 49, 91, 161, 169, 299, 637, 1127, 1183, 1319, 2093, 3887, 8281, 9233, 14651, 17147, 27209, 30337, 64631, 120029, 190463, 212359, 222911, 394381, 840203, 1486513, 1560377, 2760667, 5126953, 10922639, 19324669, 35888671, 251220697]

約数ペア:

[(1, 251220697), (7, 35888671), (13, 19324669), (23, 10922639), (49, 5126953), (91, 2760667), (161, 1560377), (169, 1486513), (299, 840203), (637, 394381), (1127, 222911), (1183, 212359), (1319, 190463), (2093, 120029), (3887, 64631), (8281, 30337), (9233, 27209), (14651, 17147)]