81017618

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{107}}^1\times {\mathrm{127}}^1\times {\mathrm{271}}^1$

素因数の和:518

約数の個数: 32

約数和(自身を含む): 135364608

約数和(自身を除く): 54346990

約数列:

[1, 2, 11, 22, 107, 127, 214, 254, 271, 542, 1177, 1397, 2354, 2794, 2981, 5962, 13589, 27178, 28997, 34417, 57994, 68834, 149479, 298958, 318967, 378587, 637934, 757174, 3682619, 7365238, 40508809, 81017618]

約数ペア:

[(1, 81017618), (2, 40508809), (11, 7365238), (22, 3682619), (107, 757174), (127, 637934), (214, 378587), (254, 318967), (271, 298958), (542, 149479), (1177, 68834), (1397, 57994), (2354, 34417), (2794, 28997), (2981, 27178), (5962, 13589)]