42857438

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{53173}}^1$

素因数の和:53219

約数の個数: 16

約数和(自身を含む): 71465856

約数和(自身を除く): 28608418

約数列:

[1, 2, 13, 26, 31, 62, 403, 806, 53173, 106346, 691249, 1382498, 1648363, 3296726, 21428719, 42857438]

約数ペア:

[(1, 42857438), (2, 21428719), (13, 3296726), (26, 1648363), (31, 1382498), (62, 691249), (403, 106346), (806, 53173)]