31221274

素因数分解:

$2^1\times 7^1\times {\mathrm{79}}^1\times {\mathrm{28229}}^1$

素因数の和:28317

約数の個数: 16

約数和(自身を含む): 54201600

約数和(自身を除く): 22980326

約数列:

[1, 2, 7, 14, 79, 158, 553, 1106, 28229, 56458, 197603, 395206, 2230091, 4460182, 15610637, 31221274]

約数ペア:

[(1, 31221274), (2, 15610637), (7, 4460182), (14, 2230091), (79, 395206), (158, 197603), (553, 56458), (1106, 28229)]