81975458

素因数分解:

$2^1\times {\mathrm{43}}^1\times {\mathrm{233}}^1\times {\mathrm{4091}}^1$

素因数の和:4369

約数の個数: 16

約数和(自身を含む): 126393696

約数和(自身を除く): 44418238

約数列:

[1, 2, 43, 86, 233, 466, 4091, 8182, 10019, 20038, 175913, 351826, 953203, 1906406, 40987729, 81975458]

約数ペア:

[(1, 81975458), (2, 40987729), (43, 1906406), (86, 953203), (233, 351826), (466, 175913), (4091, 20038), (8182, 10019)]