12871958

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{17}}^1\times {\mathrm{127}}^1\times {\mathrm{271}}^1$

素因数の和:428

約数の個数: 32

約数和(自身を含む): 22560768

約数和(自身を除く): 9688810

約数列:

[1, 2, 11, 17, 22, 34, 127, 187, 254, 271, 374, 542, 1397, 2159, 2794, 2981, 4318, 4607, 5962, 9214, 23749, 34417, 47498, 50677, 68834, 101354, 378587, 585089, 757174, 1170178, 6435979, 12871958]

約数ペア:

[(1, 12871958), (2, 6435979), (11, 1170178), (17, 757174), (22, 585089), (34, 378587), (127, 101354), (187, 68834), (254, 50677), (271, 47498), (374, 34417), (542, 23749), (1397, 9214), (2159, 5962), (2794, 4607), (2981, 4318)]