991250065

素因数分解:

$5^1\times {\mathrm{13}}^2\times {\mathrm{149}}^1\times {\mathrm{7873}}^1$

素因数の和:8053

約数の個数: 24

約数和(自身を含む): 1296847800

約数和(自身を除く): 305597735

約数列:

[1, 5, 13, 65, 149, 169, 745, 845, 1937, 7873, 9685, 25181, 39365, 102349, 125905, 511745, 1173077, 1330537, 5865385, 6652685, 15250001, 76250005, 198250013, 991250065]

約数ペア:

[(1, 991250065), (5, 198250013), (13, 76250005), (65, 15250001), (149, 6652685), (169, 5865385), (745, 1330537), (845, 1173077), (1937, 511745), (7873, 125905), (9685, 102349), (25181, 39365)]