438113885

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{43}}^1\times {\mathrm{641}}^1$

素因数の和:734

約数の個数: 48

約数和(自身を含む): 624393792

約数和(自身を除く): 186279907

約数列:

[1, 5, 11, 17, 43, 55, 85, 187, 215, 289, 473, 641, 731, 935, 1445, 2365, 3179, 3205, 3655, 7051, 8041, 10897, 12427, 15895, 27563, 35255, 40205, 54485, 62135, 119867, 136697, 137815, 185249, 303193, 468571, 599335, 683485, 926245, 1515965, 2037739, 2342855, 5154281, 7965707, 10188695, 25771405, 39828535, 87622777, 438113885]

約数ペア:

[(1, 438113885), (5, 87622777), (11, 39828535), (17, 25771405), (43, 10188695), (55, 7965707), (85, 5154281), (187, 2342855), (215, 2037739), (289, 1515965), (473, 926245), (641, 683485), (731, 599335), (935, 468571), (1445, 303193), (2365, 185249), (3179, 137815), (3205, 136697), (3655, 119867), (7051, 62135), (8041, 54485), (10897, 40205), (12427, 35255), (15895, 27563)]