247998544

素因数分解:

$2^4\times {\mathrm{43}}^1\times {\mathrm{109}}^1\times {\mathrm{3307}}^1$

素因数の和:3467

約数の個数: 40

約数和(自身を含む): 496332320

約数和(自身を除く): 248333776

約数列:

[1, 2, 4, 8, 16, 43, 86, 109, 172, 218, 344, 436, 688, 872, 1744, 3307, 4687, 6614, 9374, 13228, 18748, 26456, 37496, 52912, 74992, 142201, 284402, 360463, 568804, 720926, 1137608, 1441852, 2275216, 2883704, 5767408, 15499909, 30999818, 61999636, 123999272, 247998544]

約数ペア:

[(1, 247998544), (2, 123999272), (4, 61999636), (8, 30999818), (16, 15499909), (43, 5767408), (86, 2883704), (109, 2275216), (172, 1441852), (218, 1137608), (344, 720926), (436, 568804), (688, 360463), (872, 284402), (1744, 142201), (3307, 74992), (4687, 52912), (6614, 37496), (9374, 26456), (13228, 18748)]