42556390

素因数分解:

$2^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{67}}^1\times {\mathrm{3343}}^1$

素因数の和:3436

約数の個数: 32

約数和(自身を含む): 81861120

約数和(自身を除く): 39304730

約数列:

[1, 2, 5, 10, 19, 38, 67, 95, 134, 190, 335, 670, 1273, 2546, 3343, 6365, 6686, 12730, 16715, 33430, 63517, 127034, 223981, 317585, 447962, 635170, 1119905, 2239810, 4255639, 8511278, 21278195, 42556390]

約数ペア:

[(1, 42556390), (2, 21278195), (5, 8511278), (10, 4255639), (19, 2239810), (38, 1119905), (67, 635170), (95, 447962), (134, 317585), (190, 223981), (335, 127034), (670, 63517), (1273, 33430), (2546, 16715), (3343, 12730), (6365, 6686)]