1387172545

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{17}}^2\times {\mathrm{197}}^1\times {\mathrm{443}}^1$

素因数の和:690

約数の個数: 48

約数和(自身を含む): 1943206848

約数和(自身を除く): 556034303

約数列:

[1, 5, 11, 17, 55, 85, 187, 197, 289, 443, 935, 985, 1445, 2167, 2215, 3179, 3349, 4873, 7531, 10835, 15895, 16745, 24365, 36839, 37655, 56933, 82841, 87271, 128027, 184195, 284665, 414205, 436355, 626263, 640135, 959981, 1408297, 1483607, 3131315, 4799905, 7041485, 7418035, 16319677, 25221319, 81598385, 126106595, 277434509, 1387172545]

約数ペア:

[(1, 1387172545), (5, 277434509), (11, 126106595), (17, 81598385), (55, 25221319), (85, 16319677), (187, 7418035), (197, 7041485), (289, 4799905), (443, 3131315), (935, 1483607), (985, 1408297), (1445, 959981), (2167, 640135), (2215, 626263), (3179, 436355), (3349, 414205), (4873, 284665), (7531, 184195), (10835, 128027), (15895, 87271), (16745, 82841), (24365, 56933), (36839, 37655)]