81257902

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{127}}^2\times {\mathrm{229}}^1$

素因数の和:496

約数の個数: 24

約数和(自身を含む): 134607960

約数和(自身を除く): 53350058

約数列:

[1, 2, 11, 22, 127, 229, 254, 458, 1397, 2519, 2794, 5038, 16129, 29083, 32258, 58166, 177419, 319913, 354838, 639826, 3693541, 7387082, 40628951, 81257902]

約数ペア:

[(1, 81257902), (2, 40628951), (11, 7387082), (22, 3693541), (127, 639826), (229, 354838), (254, 319913), (458, 177419), (1397, 58166), (2519, 32258), (2794, 29083), (5038, 16129)]