281840856

素因数分解:

$2^3\times 3^1\times {\mathrm{11}}^1\times {\mathrm{53}}^1\times {\mathrm{20143}}^1$

素因数の和:20216

約数の個数: 64

約数和(自身を含む): 783198720

約数和(自身を除く): 501357864

約数列:

[1, 2, 3, 4, 6, 8, 11, 12, 22, 24, 33, 44, 53, 66, 88, 106, 132, 159, 212, 264, 318, 424, 583, 636, 1166, 1272, 1749, 2332, 3498, 4664, 6996, 13992, 20143, 40286, 60429, 80572, 120858, 161144, 221573, 241716, 443146, 483432, 664719, 886292, 1067579, 1329438, 1772584, 2135158, 2658876, 3202737, 4270316, 5317752, 6405474, 8540632, 11743369, 12810948, 23486738, 25621896, 35230107, 46973476, 70460214, 93946952, 140920428, 281840856]

約数ペア:

[(1, 281840856), (2, 140920428), (3, 93946952), (4, 70460214), (6, 46973476), (8, 35230107), (11, 25621896), (12, 23486738), (22, 12810948), (24, 11743369), (33, 8540632), (44, 6405474), (53, 5317752), (66, 4270316), (88, 3202737), (106, 2658876), (132, 2135158), (159, 1772584), (212, 1329438), (264, 1067579), (318, 886292), (424, 664719), (583, 483432), (636, 443146), (1166, 241716), (1272, 221573), (1749, 161144), (2332, 120858), (3498, 80572), (4664, 60429), (6996, 40286), (13992, 20143)]