16851835

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{13}}^2\times {\mathrm{37}}^1$

素因数の和:93

約数の個数: 72

約数和(自身を含む): 28539216

約数和(自身を除く): 11687381

約数列:

[1, 5, 7, 11, 13, 35, 37, 49, 55, 65, 77, 91, 143, 169, 185, 245, 259, 385, 407, 455, 481, 539, 637, 715, 845, 1001, 1183, 1295, 1813, 1859, 2035, 2405, 2695, 2849, 3185, 3367, 5005, 5291, 5915, 6253, 7007, 8281, 9065, 9295, 13013, 14245, 16835, 19943, 23569, 26455, 31265, 35035, 37037, 41405, 43771, 65065, 68783, 91091, 99715, 117845, 185185, 218855, 259259, 306397, 343915, 455455, 481481, 1296295, 1531985, 2407405, 3370367, 16851835]

約数ペア:

[(1, 16851835), (5, 3370367), (7, 2407405), (11, 1531985), (13, 1296295), (35, 481481), (37, 455455), (49, 343915), (55, 306397), (65, 259259), (77, 218855), (91, 185185), (143, 117845), (169, 99715), (185, 91091), (245, 68783), (259, 65065), (385, 43771), (407, 41405), (455, 37037), (481, 35035), (539, 31265), (637, 26455), (715, 23569), (845, 19943), (1001, 16835), (1183, 14245), (1295, 13013), (1813, 9295), (1859, 9065), (2035, 8281), (2405, 7007), (2695, 6253), (2849, 5915), (3185, 5291), (3367, 5005)]