1291336

素因数分解:

$2^3\times {\mathrm{31}}^1\times {\mathrm{41}}^1\times {\mathrm{127}}^1$

素因数の和:205

約数の個数: 32

約数和(自身を含む): 2580480

約数和(自身を除く): 1289144

約数列:

[1, 2, 4, 8, 31, 41, 62, 82, 124, 127, 164, 248, 254, 328, 508, 1016, 1271, 2542, 3937, 5084, 5207, 7874, 10168, 10414, 15748, 20828, 31496, 41656, 161417, 322834, 645668, 1291336]

約数ペア:

[(1, 1291336), (2, 645668), (4, 322834), (8, 161417), (31, 41656), (41, 31496), (62, 20828), (82, 15748), (124, 10414), (127, 10168), (164, 7874), (248, 5207), (254, 5084), (328, 3937), (508, 2542), (1016, 1271)]