31381788

素因数分解:

$2^2\times 3^1\times {\mathrm{157}}^1\times {\mathrm{16657}}^1$

素因数の和:16821

約数の個数: 24

約数和(自身を含む): 73694992

約数和(自身を除く): 42313204

約数列:

[1, 2, 3, 4, 6, 12, 157, 314, 471, 628, 942, 1884, 16657, 33314, 49971, 66628, 99942, 199884, 2615149, 5230298, 7845447, 10460596, 15690894, 31381788]

約数ペア:

[(1, 31381788), (2, 15690894), (3, 10460596), (4, 7845447), (6, 5230298), (12, 2615149), (157, 199884), (314, 99942), (471, 66628), (628, 49971), (942, 33314), (1884, 16657)]