161770895

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{13309}}^1$

素因数の和:13355

約数の個数: 32

約数和(自身を含む): 241496640

約数和(自身を除く): 79725745

約数列:

[1, 5, 11, 13, 17, 55, 65, 85, 143, 187, 221, 715, 935, 1105, 2431, 12155, 13309, 66545, 146399, 173017, 226253, 731995, 865085, 1131265, 1903187, 2488783, 2941289, 9515935, 12443915, 14706445, 32354179, 161770895]

約数ペア:

[(1, 161770895), (5, 32354179), (11, 14706445), (13, 12443915), (17, 9515935), (55, 2941289), (65, 2488783), (85, 1903187), (143, 1131265), (187, 865085), (221, 731995), (715, 226253), (935, 173017), (1105, 146399), (2431, 66545), (12155, 13309)]