137438978

素因数分解:

$2^1\times {\mathrm{61}}^1\times {\mathrm{443}}^1\times {\mathrm{2543}}^1$

素因数の和:3049

約数の個数: 16

約数和(自身を含む): 210093696

約数和(自身を除く): 72654718

約数列:

[1, 2, 61, 122, 443, 886, 2543, 5086, 27023, 54046, 155123, 310246, 1126549, 2253098, 68719489, 137438978]

約数ペア:

[(1, 137438978), (2, 68719489), (61, 2253098), (122, 1126549), (443, 310246), (886, 155123), (2543, 54046), (5086, 27023)]