209887608

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{191}}^1\times {\mathrm{211}}^1$

素因数の和:449

約数の個数: 128

約数和(自身を含む): 625213440

約数和(自身を除く): 415325832

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 31, 42, 56, 62, 84, 93, 124, 168, 186, 191, 211, 217, 248, 372, 382, 422, 434, 573, 633, 651, 744, 764, 844, 868, 1146, 1266, 1302, 1337, 1477, 1528, 1688, 1736, 2292, 2532, 2604, 2674, 2954, 4011, 4431, 4584, 5064, 5208, 5348, 5908, 5921, 6541, 8022, 8862, 10696, 11816, 11842, 13082, 16044, 17724, 17763, 19623, 23684, 26164, 32088, 35448, 35526, 39246, 40301, 41447, 45787, 47368, 52328, 71052, 78492, 80602, 82894, 91574, 120903, 124341, 137361, 142104, 156984, 161204, 165788, 183148, 241806, 248682, 274722, 282107, 322408, 331576, 366296, 483612, 497364, 549444, 564214, 846321, 967224, 994728, 1098888, 1128428, 1249331, 1692642, 2256856, 2498662, 3385284, 3747993, 4997324, 6770568, 7495986, 8745317, 9994648, 14991972, 17490634, 26235951, 29983944, 34981268, 52471902, 69962536, 104943804, 209887608]

約数ペア:

[(1, 209887608), (2, 104943804), (3, 69962536), (4, 52471902), (6, 34981268), (7, 29983944), (8, 26235951), (12, 17490634), (14, 14991972), (21, 9994648), (24, 8745317), (28, 7495986), (31, 6770568), (42, 4997324), (56, 3747993), (62, 3385284), (84, 2498662), (93, 2256856), (124, 1692642), (168, 1249331), (186, 1128428), (191, 1098888), (211, 994728), (217, 967224), (248, 846321), (372, 564214), (382, 549444), (422, 497364), (434, 483612), (573, 366296), (633, 331576), (651, 322408), (744, 282107), (764, 274722), (844, 248682), (868, 241806), (1146, 183148), (1266, 165788), (1302, 161204), (1337, 156984), (1477, 142104), (1528, 137361), (1688, 124341), (1736, 120903), (2292, 91574), (2532, 82894), (2604, 80602), (2674, 78492), (2954, 71052), (4011, 52328), (4431, 47368), (4584, 45787), (5064, 41447), (5208, 40301), (5348, 39246), (5908, 35526), (5921, 35448), (6541, 32088), (8022, 26164), (8862, 23684), (10696, 19623), (11816, 17763), (11842, 17724), (13082, 16044)]