51691136

素因数分解:

$2^7\times 7^1\times {\mathrm{31}}^1\times {\mathrm{1861}}^1$

素因数の和:1913

約数の個数: 64

約数和(自身を含む): 121551360

約数和(自身を除く): 69860224

約数列:

[1, 2, 4, 7, 8, 14, 16, 28, 31, 32, 56, 62, 64, 112, 124, 128, 217, 224, 248, 434, 448, 496, 868, 896, 992, 1736, 1861, 1984, 3472, 3722, 3968, 6944, 7444, 13027, 13888, 14888, 26054, 27776, 29776, 52108, 57691, 59552, 104216, 115382, 119104, 208432, 230764, 238208, 403837, 416864, 461528, 807674, 833728, 923056, 1615348, 1667456, 1846112, 3230696, 3692224, 6461392, 7384448, 12922784, 25845568, 51691136]

約数ペア:

[(1, 51691136), (2, 25845568), (4, 12922784), (7, 7384448), (8, 6461392), (14, 3692224), (16, 3230696), (28, 1846112), (31, 1667456), (32, 1615348), (56, 923056), (62, 833728), (64, 807674), (112, 461528), (124, 416864), (128, 403837), (217, 238208), (224, 230764), (248, 208432), (434, 119104), (448, 115382), (496, 104216), (868, 59552), (896, 57691), (992, 52108), (1736, 29776), (1861, 27776), (1984, 26054), (3472, 14888), (3722, 13888), (3968, 13027), (6944, 7444)]