87138716

素因数分解:

$2^2\times 7^1\times {\mathrm{173}}^1\times {\mathrm{17989}}^1$

素因数の和:18173

約数の個数: 24

約数和(自身を含む): 175294560

約数和(自身を除く): 88155844

約数列:

[1, 2, 4, 7, 14, 28, 173, 346, 692, 1211, 2422, 4844, 17989, 35978, 71956, 125923, 251846, 503692, 3112097, 6224194, 12448388, 21784679, 43569358, 87138716]

約数ペア:

[(1, 87138716), (2, 43569358), (4, 21784679), (7, 12448388), (14, 6224194), (28, 3112097), (173, 503692), (346, 251846), (692, 125923), (1211, 71956), (2422, 35978), (4844, 17989)]