218668816

素因数分解:

$2^4\times {\mathrm{29}}^1\times {\mathrm{37}}^1\times {\mathrm{47}}^1\times {\mathrm{271}}^1$

素因数の和:392

約数の個数: 80

約数和(自身を含む): 461399040

約数和(自身を除く): 242730224

約数列:

[1, 2, 4, 8, 16, 29, 37, 47, 58, 74, 94, 116, 148, 188, 232, 271, 296, 376, 464, 542, 592, 752, 1073, 1084, 1363, 1739, 2146, 2168, 2726, 3478, 4292, 4336, 5452, 6956, 7859, 8584, 10027, 10904, 12737, 13912, 15718, 17168, 20054, 21808, 25474, 27824, 31436, 40108, 50431, 50948, 62872, 80216, 100862, 101896, 125744, 160432, 201724, 203792, 290783, 369373, 403448, 471269, 581566, 738746, 806896, 942538, 1163132, 1477492, 1885076, 2326264, 2954984, 3770152, 4652528, 5909968, 7540304, 13666801, 27333602, 54667204, 109334408, 218668816]

約数ペア:

[(1, 218668816), (2, 109334408), (4, 54667204), (8, 27333602), (16, 13666801), (29, 7540304), (37, 5909968), (47, 4652528), (58, 3770152), (74, 2954984), (94, 2326264), (116, 1885076), (148, 1477492), (188, 1163132), (232, 942538), (271, 806896), (296, 738746), (376, 581566), (464, 471269), (542, 403448), (592, 369373), (752, 290783), (1073, 203792), (1084, 201724), (1363, 160432), (1739, 125744), (2146, 101896), (2168, 100862), (2726, 80216), (3478, 62872), (4292, 50948), (4336, 50431), (5452, 40108), (6956, 31436), (7859, 27824), (8584, 25474), (10027, 21808), (10904, 20054), (12737, 17168), (13912, 15718)]