201359815

素因数分解:

$5^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{3041}}^1$

素因数の和:3123

約数の個数: 32

約数和(自身を含む): 275970240

約数和(自身を除く): 74610425

約数列:

[1, 5, 17, 19, 41, 85, 95, 205, 323, 697, 779, 1615, 3041, 3485, 3895, 13243, 15205, 51697, 57779, 66215, 124681, 258485, 288895, 623405, 982243, 2119577, 2368939, 4911215, 10597885, 11844695, 40271963, 201359815]

約数ペア:

[(1, 201359815), (5, 40271963), (17, 11844695), (19, 10597885), (41, 4911215), (85, 2368939), (95, 2119577), (205, 982243), (323, 623405), (697, 288895), (779, 258485), (1615, 124681), (3041, 66215), (3485, 57779), (3895, 51697), (13243, 15205)]