4990654

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{61}}^1\times {\mathrm{2153}}^1$

素因数の和:2235

約数の個数: 16

約数和(自身を含む): 8012880

約数和(自身を除く): 3022226

約数列:

[1, 2, 19, 38, 61, 122, 1159, 2153, 2318, 4306, 40907, 81814, 131333, 262666, 2495327, 4990654]

約数ペア:

[(1, 4990654), (2, 2495327), (19, 262666), (38, 131333), (61, 81814), (122, 40907), (1159, 4306), (2153, 2318)]