142225678

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{271}}^1\times {\mathrm{1973}}^1$

素因数の和:2272

約数の個数: 32

約数和(自身を含む): 257725440

約数和(自身を除く): 115499762

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 271, 542, 1897, 1973, 3794, 3946, 5149, 10298, 13811, 27622, 36043, 37487, 72086, 74974, 262409, 524818, 534683, 1069366, 3742781, 7485562, 10158977, 20317954, 71112839, 142225678]

約数ペア:

[(1, 142225678), (2, 71112839), (7, 20317954), (14, 10158977), (19, 7485562), (38, 3742781), (133, 1069366), (266, 534683), (271, 524818), (542, 262409), (1897, 74974), (1973, 72086), (3794, 37487), (3946, 36043), (5149, 27622), (10298, 13811)]