17001985

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1$

素因数の和:158

約数の個数: 64

約数和(自身を含む): 28385280

約数和(自身を除く): 11383295

約数列:

[1, 5, 7, 11, 13, 35, 43, 55, 65, 77, 79, 91, 143, 215, 301, 385, 395, 455, 473, 553, 559, 715, 869, 1001, 1027, 1505, 2365, 2765, 2795, 3311, 3397, 3913, 4345, 5005, 5135, 6083, 6149, 7189, 11297, 16555, 16985, 19565, 23779, 30415, 30745, 35945, 37367, 43043, 44161, 56485, 79079, 118895, 186835, 215215, 220805, 261569, 309127, 395395, 485771, 1307845, 1545635, 2428855, 3400397, 17001985]

約数ペア:

[(1, 17001985), (5, 3400397), (7, 2428855), (11, 1545635), (13, 1307845), (35, 485771), (43, 395395), (55, 309127), (65, 261569), (77, 220805), (79, 215215), (91, 186835), (143, 118895), (215, 79079), (301, 56485), (385, 44161), (395, 43043), (455, 37367), (473, 35945), (553, 30745), (559, 30415), (715, 23779), (869, 19565), (1001, 16985), (1027, 16555), (1505, 11297), (2365, 7189), (2765, 6149), (2795, 6083), (3311, 5135), (3397, 5005), (3913, 4345)]