17781288

素因数分解:

$2^3\times 3^1\times 7^1\times {\mathrm{53}}^1\times {\mathrm{1997}}^1$

素因数の和:2066

約数の個数: 64

約数和(自身を含む): 51788160

約数和(自身を除く): 34006872

約数列:

[1, 2, 3, 4, 6, 7, 8, 12, 14, 21, 24, 28, 42, 53, 56, 84, 106, 159, 168, 212, 318, 371, 424, 636, 742, 1113, 1272, 1484, 1997, 2226, 2968, 3994, 4452, 5991, 7988, 8904, 11982, 13979, 15976, 23964, 27958, 41937, 47928, 55916, 83874, 105841, 111832, 167748, 211682, 317523, 335496, 423364, 635046, 740887, 846728, 1270092, 1481774, 2222661, 2540184, 2963548, 4445322, 5927096, 8890644, 17781288]

約数ペア:

[(1, 17781288), (2, 8890644), (3, 5927096), (4, 4445322), (6, 2963548), (7, 2540184), (8, 2222661), (12, 1481774), (14, 1270092), (21, 846728), (24, 740887), (28, 635046), (42, 423364), (53, 335496), (56, 317523), (84, 211682), (106, 167748), (159, 111832), (168, 105841), (212, 83874), (318, 55916), (371, 47928), (424, 41937), (636, 27958), (742, 23964), (1113, 15976), (1272, 13979), (1484, 11982), (1997, 8904), (2226, 7988), (2968, 5991), (3994, 4452)]