1954379

素因数分解:

$7^1\times {\mathrm{23}}^1\times {\mathrm{61}}^1\times {\mathrm{199}}^1$

素因数の和:290

約数の個数: 16

約数和(自身を含む): 2380800

約数和(自身を除く): 426421

約数列:

[1, 7, 23, 61, 161, 199, 427, 1393, 1403, 4577, 9821, 12139, 32039, 84973, 279197, 1954379]

約数ペア:

[(1, 1954379), (7, 279197), (23, 84973), (61, 32039), (161, 12139), (199, 9821), (427, 4577), (1393, 1403)]