7821541

素因数分解:

$7^1\times {\mathrm{13}}^1\times {\mathrm{23}}^1\times {\mathrm{37}}^1\times {\mathrm{101}}^1$

素因数の和:181

約数の個数: 32

約数和(自身を含む): 10418688

約数和(自身を除く): 2597147

約数列:

[1, 7, 13, 23, 37, 91, 101, 161, 259, 299, 481, 707, 851, 1313, 2093, 2323, 3367, 3737, 5957, 9191, 11063, 16261, 26159, 30199, 48581, 77441, 85951, 211393, 340067, 601657, 1117363, 7821541]

約数ペア:

[(1, 7821541), (7, 1117363), (13, 601657), (23, 340067), (37, 211393), (91, 85951), (101, 77441), (161, 48581), (259, 30199), (299, 26159), (481, 16261), (707, 11063), (851, 9191), (1313, 5957), (2093, 3737), (2323, 3367)]