81387536

素因数分解:

$2^4\times {\mathrm{449}}^1\times {\mathrm{11329}}^1$

素因数の和:11786

約数の個数: 20

約数和(自身を含む): 158053500

約数和(自身を除く): 76665964

約数列:

[1, 2, 4, 8, 16, 449, 898, 1796, 3592, 7184, 11329, 22658, 45316, 90632, 181264, 5086721, 10173442, 20346884, 40693768, 81387536]

約数ペア:

[(1, 81387536), (2, 40693768), (4, 20346884), (8, 10173442), (16, 5086721), (449, 181264), (898, 90632), (1796, 45316), (3592, 22658), (7184, 11329)]