890097971

素因数分解:

$7^1\times {\mathrm{131}}^1\times {\mathrm{509}}^1\times {\mathrm{1907}}^1$

素因数の和:2554

約数の個数: 16

約数和(自身を含む): 1027572480

約数和(自身を除く): 137474509

約数列:

[1, 7, 131, 509, 917, 1907, 3563, 13349, 66679, 249817, 466753, 970663, 1748719, 6794641, 127156853, 890097971]

約数ペア:

[(1, 890097971), (7, 127156853), (131, 6794641), (509, 1748719), (917, 970663), (1907, 466753), (3563, 249817), (13349, 66679)]