16144765

素因数分解:

$5^1\times 7^2\times {\mathrm{13}}^1\times {\mathrm{37}}^1\times {\mathrm{137}}^1$

素因数の和:206

約数の個数: 48

約数和(自身を含む): 25108272

約数和(自身を除く): 8963507

約数列:

[1, 5, 7, 13, 35, 37, 49, 65, 91, 137, 185, 245, 259, 455, 481, 637, 685, 959, 1295, 1781, 1813, 2405, 3185, 3367, 4795, 5069, 6713, 8905, 9065, 12467, 16835, 23569, 25345, 33565, 35483, 62335, 65897, 87269, 117845, 177415, 248381, 329485, 436345, 461279, 1241905, 2306395, 3228953, 16144765]

約数ペア:

[(1, 16144765), (5, 3228953), (7, 2306395), (13, 1241905), (35, 461279), (37, 436345), (49, 329485), (65, 248381), (91, 177415), (137, 117845), (185, 87269), (245, 65897), (259, 62335), (455, 35483), (481, 33565), (637, 25345), (685, 23569), (959, 16835), (1295, 12467), (1781, 9065), (1813, 8905), (2405, 6713), (3185, 5069), (3367, 4795)]