643946927

素因数分解:

${\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{37}}^1\times {\mathrm{61}}^1\times {\mathrm{1291}}^1$

素因数の和:1419

約数の個数: 32

約数和(自身を含む): 767075904

約数和(自身を除く): 123128977

約数列:

[1, 13, 17, 37, 61, 221, 481, 629, 793, 1037, 1291, 2257, 8177, 13481, 16783, 21947, 29341, 38369, 47767, 78751, 285311, 498797, 620971, 812039, 1023763, 1338767, 2913787, 10556507, 17403971, 37879231, 49534379, 643946927]

約数ペア:

[(1, 643946927), (13, 49534379), (17, 37879231), (37, 17403971), (61, 10556507), (221, 2913787), (481, 1338767), (629, 1023763), (793, 812039), (1037, 620971), (1291, 498797), (2257, 285311), (8177, 78751), (13481, 47767), (16783, 38369), (21947, 29341)]