22191505

素因数分解:

$5^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{113}}^1\times {\mathrm{181}}^1$

素因数の和:337

約数の個数: 32

約数和(自身を含む): 31868928

約数和(自身を除く): 9677423

約数列:

[1, 5, 7, 31, 35, 113, 155, 181, 217, 565, 791, 905, 1085, 1267, 3503, 3955, 5611, 6335, 17515, 20453, 24521, 28055, 39277, 102265, 122605, 143171, 196385, 634043, 715855, 3170215, 4438301, 22191505]

約数ペア:

[(1, 22191505), (5, 4438301), (7, 3170215), (31, 715855), (35, 634043), (113, 196385), (155, 143171), (181, 122605), (217, 102265), (565, 39277), (791, 28055), (905, 24521), (1085, 20453), (1267, 17515), (3503, 6335), (3955, 5611)]