11945815

素因数分解:

$5^1\times 7^1\times {\mathrm{17}}^2\times {\mathrm{1181}}^1$

素因数の和:1227

約数の個数: 24

約数和(自身を含む): 17417952

約数和(自身を除く): 5472137

約数列:

[1, 5, 7, 17, 35, 85, 119, 289, 595, 1181, 1445, 2023, 5905, 8267, 10115, 20077, 41335, 100385, 140539, 341309, 702695, 1706545, 2389163, 11945815]

約数ペア:

[(1, 11945815), (5, 2389163), (7, 1706545), (17, 702695), (35, 341309), (85, 140539), (119, 100385), (289, 41335), (595, 20077), (1181, 10115), (1445, 8267), (2023, 5905)]