71916229

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{197}}^1\times {\mathrm{431}}^1$

素因数の和:657

約数の個数: 24

約数和(自身を含む): 91010304

約数和(自身を除く): 19094075

約数列:

[1, 7, 11, 77, 121, 197, 431, 847, 1379, 2167, 3017, 4741, 15169, 23837, 33187, 52151, 84907, 166859, 365057, 594349, 933977, 6537839, 10273747, 71916229]

約数ペア:

[(1, 71916229), (7, 10273747), (11, 6537839), (77, 933977), (121, 594349), (197, 365057), (431, 166859), (847, 84907), (1379, 52151), (2167, 33187), (3017, 23837), (4741, 15169)]