81015914

素因数分解:

$2^1\times 7^3\times {\mathrm{17}}^1\times {\mathrm{6947}}^1$

素因数の和:6987

約数の個数: 32

約数和(自身を含む): 150076800

約数和(自身を除く): 69060886

約数列:

[1, 2, 7, 14, 17, 34, 49, 98, 119, 238, 343, 686, 833, 1666, 5831, 6947, 11662, 13894, 48629, 97258, 118099, 236198, 340403, 680806, 826693, 1653386, 2382821, 4765642, 5786851, 11573702, 40507957, 81015914]

約数ペア:

[(1, 81015914), (2, 40507957), (7, 11573702), (14, 5786851), (17, 4765642), (34, 2382821), (49, 1653386), (98, 826693), (119, 680806), (238, 340403), (343, 236198), (686, 118099), (833, 97258), (1666, 48629), (5831, 13894), (6947, 11662)]