31872278

素因数分解:

$2^1\times {\mathrm{31}}^1\times {\mathrm{439}}^1\times {\mathrm{1171}}^1$

素因数の和:1643

約数の個数: 16

約数和(自身を含む): 49505280

約数和(自身を除く): 17633002

約数列:

[1, 2, 31, 62, 439, 878, 1171, 2342, 13609, 27218, 36301, 72602, 514069, 1028138, 15936139, 31872278]

約数ペア:

[(1, 31872278), (2, 15936139), (31, 1028138), (62, 514069), (439, 72602), (878, 36301), (1171, 27218), (2342, 13609)]