28379545

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{29}}^2\times {\mathrm{397}}^1$

素因数の和:477

約数の個数: 24

約数和(自身を含む): 37439064

約数和(自身を除く): 9059519

約数列:

[1, 5, 17, 29, 85, 145, 397, 493, 841, 1985, 2465, 4205, 6749, 11513, 14297, 33745, 57565, 71485, 195721, 333877, 978605, 1669385, 5675909, 28379545]

約数ペア:

[(1, 28379545), (5, 5675909), (17, 1669385), (29, 978605), (85, 333877), (145, 195721), (397, 71485), (493, 57565), (841, 33745), (1985, 14297), (2465, 11513), (4205, 6749)]