208808976

素因数分解:

$2^4\times 3^1\times {\mathrm{53}}^1\times {\mathrm{211}}^1\times {\mathrm{389}}^1$

素因数の和:664

約数の個数: 80

約数和(自身を含む): 553625280

約数和(自身を除く): 344816304

約数列:

[1, 2, 3, 4, 6, 8, 12, 16, 24, 48, 53, 106, 159, 211, 212, 318, 389, 422, 424, 633, 636, 778, 844, 848, 1167, 1266, 1272, 1556, 1688, 2334, 2532, 2544, 3112, 3376, 4668, 5064, 6224, 9336, 10128, 11183, 18672, 20617, 22366, 33549, 41234, 44732, 61851, 67098, 82079, 82468, 89464, 123702, 134196, 164158, 164936, 178928, 246237, 247404, 268392, 328316, 329872, 492474, 494808, 536784, 656632, 984948, 989616, 1313264, 1969896, 3939792, 4350187, 8700374, 13050561, 17400748, 26101122, 34801496, 52202244, 69602992, 104404488, 208808976]

約数ペア:

[(1, 208808976), (2, 104404488), (3, 69602992), (4, 52202244), (6, 34801496), (8, 26101122), (12, 17400748), (16, 13050561), (24, 8700374), (48, 4350187), (53, 3939792), (106, 1969896), (159, 1313264), (211, 989616), (212, 984948), (318, 656632), (389, 536784), (422, 494808), (424, 492474), (633, 329872), (636, 328316), (778, 268392), (844, 247404), (848, 246237), (1167, 178928), (1266, 164936), (1272, 164158), (1556, 134196), (1688, 123702), (2334, 89464), (2532, 82468), (2544, 82079), (3112, 67098), (3376, 61851), (4668, 44732), (5064, 41234), (6224, 33549), (9336, 22366), (10128, 20617), (11183, 18672)]