81639190

素因数分解:

$2^1\times 5^1\times {\mathrm{23}}^1\times {\mathrm{354953}}^1$

素因数の和:354983

約数の個数: 16

約数和(自身を含む): 153340128

約数和(自身を除く): 71700938

約数列:

[1, 2, 5, 10, 23, 46, 115, 230, 354953, 709906, 1774765, 3549530, 8163919, 16327838, 40819595, 81639190]

約数ペア:

[(1, 81639190), (2, 40819595), (5, 16327838), (10, 8163919), (23, 3549530), (46, 1774765), (115, 709906), (230, 354953)]