31612984

素因数分解:

$2^3\times {\mathrm{13}}^1\times {\mathrm{197}}^1\times {\mathrm{1543}}^1$

素因数の和:1759

約数の個数: 32

約数和(自身を含む): 64199520

約数和(自身を除く): 32586536

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 197, 394, 788, 1543, 1576, 2561, 3086, 5122, 6172, 10244, 12344, 20059, 20488, 40118, 80236, 160472, 303971, 607942, 1215884, 2431768, 3951623, 7903246, 15806492, 31612984]

約数ペア:

[(1, 31612984), (2, 15806492), (4, 7903246), (8, 3951623), (13, 2431768), (26, 1215884), (52, 607942), (104, 303971), (197, 160472), (394, 80236), (788, 40118), (1543, 20488), (1576, 20059), (2561, 12344), (3086, 10244), (5122, 6172)]