1639137858

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{109}}^1\times {\mathrm{379}}^1\times {\mathrm{389}}^1$

素因数の和:899

約数の個数: 64

約数和(自身を含む): 3521232000

約数和(自身を除く): 1882094142

約数列:

[1, 2, 3, 6, 17, 34, 51, 102, 109, 218, 327, 379, 389, 654, 758, 778, 1137, 1167, 1853, 2274, 2334, 3706, 5559, 6443, 6613, 11118, 12886, 13226, 19329, 19839, 38658, 39678, 41311, 42401, 82622, 84802, 123933, 127203, 147431, 247866, 254406, 294862, 442293, 702287, 720817, 884586, 1404574, 1441634, 2106861, 2162451, 2506327, 4213722, 4324902, 5012654, 7518981, 15037962, 16069979, 32139958, 48209937, 96419874, 273189643, 546379286, 819568929, 1639137858]

約数ペア:

[(1, 1639137858), (2, 819568929), (3, 546379286), (6, 273189643), (17, 96419874), (34, 48209937), (51, 32139958), (102, 16069979), (109, 15037962), (218, 7518981), (327, 5012654), (379, 4324902), (389, 4213722), (654, 2506327), (758, 2162451), (778, 2106861), (1137, 1441634), (1167, 1404574), (1853, 884586), (2274, 720817), (2334, 702287), (3706, 442293), (5559, 294862), (6443, 254406), (6613, 247866), (11118, 147431), (12886, 127203), (13226, 123933), (19329, 84802), (19839, 82622), (38658, 42401), (39678, 41311)]