171919895

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{113}}^1\times {\mathrm{2557}}^1$

素因数の和:2699

約数の個数: 32

約数和(自身を含む): 251952768

約数和(自身を除く): 80032873

約数列:

[1, 5, 7, 17, 35, 85, 113, 119, 565, 595, 791, 1921, 2557, 3955, 9605, 12785, 13447, 17899, 43469, 67235, 89495, 217345, 288941, 304283, 1444705, 1521415, 2022587, 4911997, 10112935, 24559985, 34383979, 171919895]

約数ペア:

[(1, 171919895), (5, 34383979), (7, 24559985), (17, 10112935), (35, 4911997), (85, 2022587), (113, 1521415), (119, 1444705), (565, 304283), (595, 288941), (791, 217345), (1921, 89495), (2557, 67235), (3955, 43469), (9605, 17899), (12785, 13447)]