642883774

素因数分解:

$2^1\times {\mathrm{13}}^2\times {\mathrm{29}}^1\times {\mathrm{65587}}^1$

素因数の和:65644

約数の個数: 24

約数和(自身を含む): 1080234360

約数和(自身を除く): 437350586

約数列:

[1, 2, 13, 26, 29, 58, 169, 338, 377, 754, 4901, 9802, 65587, 131174, 852631, 1705262, 1902023, 3804046, 11084203, 22168406, 24726299, 49452598, 321441887, 642883774]

約数ペア:

[(1, 642883774), (2, 321441887), (13, 49452598), (26, 24726299), (29, 22168406), (58, 11084203), (169, 3804046), (338, 1902023), (377, 1705262), (754, 852631), (4901, 131174), (9802, 65587)]