87165848

素因数分解:

$2^3\times 7^1\times {\mathrm{11}}^1\times {\mathrm{71}}^1\times {\mathrm{1993}}^1$

素因数の和:2088

約数の個数: 64

約数和(自身を含む): 206737920

約数和(自身を除く): 119572072

約数列:

[1, 2, 4, 7, 8, 11, 14, 22, 28, 44, 56, 71, 77, 88, 142, 154, 284, 308, 497, 568, 616, 781, 994, 1562, 1988, 1993, 3124, 3976, 3986, 5467, 6248, 7972, 10934, 13951, 15944, 21868, 21923, 27902, 43736, 43846, 55804, 87692, 111608, 141503, 153461, 175384, 283006, 306922, 566012, 613844, 990521, 1132024, 1227688, 1556533, 1981042, 3113066, 3962084, 6226132, 7924168, 10895731, 12452264, 21791462, 43582924, 87165848]

約数ペア:

[(1, 87165848), (2, 43582924), (4, 21791462), (7, 12452264), (8, 10895731), (11, 7924168), (14, 6226132), (22, 3962084), (28, 3113066), (44, 1981042), (56, 1556533), (71, 1227688), (77, 1132024), (88, 990521), (142, 613844), (154, 566012), (284, 306922), (308, 283006), (497, 175384), (568, 153461), (616, 141503), (781, 111608), (994, 87692), (1562, 55804), (1988, 43846), (1993, 43736), (3124, 27902), (3976, 21923), (3986, 21868), (5467, 15944), (6248, 13951), (7972, 10934)]