81656964

素因数分解:

$2^2\times 3^3\times {\mathrm{113}}^1\times {\mathrm{6691}}^1$

素因数の和:6817

約数の個数: 48

約数和(自身を含む): 213608640

約数和(自身を除く): 131951676

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 27, 36, 54, 108, 113, 226, 339, 452, 678, 1017, 1356, 2034, 3051, 4068, 6102, 6691, 12204, 13382, 20073, 26764, 40146, 60219, 80292, 120438, 180657, 240876, 361314, 722628, 756083, 1512166, 2268249, 3024332, 4536498, 6804747, 9072996, 13609494, 20414241, 27218988, 40828482, 81656964]

約数ペア:

[(1, 81656964), (2, 40828482), (3, 27218988), (4, 20414241), (6, 13609494), (9, 9072996), (12, 6804747), (18, 4536498), (27, 3024332), (36, 2268249), (54, 1512166), (108, 756083), (113, 722628), (226, 361314), (339, 240876), (452, 180657), (678, 120438), (1017, 80292), (1356, 60219), (2034, 40146), (3051, 26764), (4068, 20073), (6102, 13382), (6691, 12204)]