39638288

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{61}}^1\times {\mathrm{2389}}^1$

素因数の和:2475

約数の個数: 40

約数和(自身を含む): 82684440

約数和(自身を除く): 43046152

約数列:

[1, 2, 4, 8, 16, 17, 34, 61, 68, 122, 136, 244, 272, 488, 976, 1037, 2074, 2389, 4148, 4778, 8296, 9556, 16592, 19112, 38224, 40613, 81226, 145729, 162452, 291458, 324904, 582916, 649808, 1165832, 2331664, 2477393, 4954786, 9909572, 19819144, 39638288]

約数ペア:

[(1, 39638288), (2, 19819144), (4, 9909572), (8, 4954786), (16, 2477393), (17, 2331664), (34, 1165832), (61, 649808), (68, 582916), (122, 324904), (136, 291458), (244, 162452), (272, 145729), (488, 81226), (976, 40613), (1037, 38224), (2074, 19112), (2389, 16592), (4148, 9556), (4778, 8296)]