39689815

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{17}}^2\times {\mathrm{227}}^1$

素因数の和:288

約数の個数: 36

約数和(自身を含む): 55856808

約数和(自身を除く): 16166993

約数列:

[1, 5, 11, 17, 55, 85, 121, 187, 227, 289, 605, 935, 1135, 1445, 2057, 2497, 3179, 3859, 10285, 12485, 15895, 19295, 27467, 34969, 42449, 65603, 137335, 174845, 212245, 328015, 466939, 721633, 2334695, 3608165, 7937963, 39689815]

約数ペア:

[(1, 39689815), (5, 7937963), (11, 3608165), (17, 2334695), (55, 721633), (85, 466939), (121, 328015), (187, 212245), (227, 174845), (289, 137335), (605, 65603), (935, 42449), (1135, 34969), (1445, 27467), (2057, 19295), (2497, 15895), (3179, 12485), (3859, 10285)]