172969810

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^3\times {\mathrm{7873}}^1$

素因数の和:7919

約数の個数: 32

約数和(自身を含む): 337322160

約数和(自身を除く): 164352350

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 169, 338, 845, 1690, 2197, 4394, 7873, 10985, 15746, 21970, 39365, 78730, 102349, 204698, 511745, 1023490, 1330537, 2661074, 6652685, 13305370, 17296981, 34593962, 86484905, 172969810]

約数ペア:

[(1, 172969810), (2, 86484905), (5, 34593962), (10, 17296981), (13, 13305370), (26, 6652685), (65, 2661074), (130, 1330537), (169, 1023490), (338, 511745), (845, 204698), (1690, 102349), (2197, 78730), (4394, 39365), (7873, 21970), (10985, 15746)]