1640894606

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{157}}^1\times {\mathrm{21157}}^1$

素因数の和:21348

約数の個数: 32

約数和(自身を含む): 2808089760

約数和(自身を除く): 1167195154

約数列:

[1, 2, 13, 19, 26, 38, 157, 247, 314, 494, 2041, 2983, 4082, 5966, 21157, 38779, 42314, 77558, 275041, 401983, 550082, 803966, 3321649, 5225779, 6643298, 10451558, 43181437, 63111331, 86362874, 126222662, 820447303, 1640894606]

約数ペア:

[(1, 1640894606), (2, 820447303), (13, 126222662), (19, 86362874), (26, 63111331), (38, 43181437), (157, 10451558), (247, 6643298), (314, 5225779), (494, 3321649), (2041, 803966), (2983, 550082), (4082, 401983), (5966, 275041), (21157, 77558), (38779, 42314)]