620291230

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{653}}^1\times {\mathrm{7307}}^1$

素因数の和:7980

約数の個数: 32

約数和(自身を含む): 1204416864

約数和(自身を除く): 584125634

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 653, 1306, 3265, 6530, 7307, 8489, 14614, 16978, 36535, 42445, 73070, 84890, 94991, 189982, 474955, 949910, 4771471, 9542942, 23857355, 47714710, 62029123, 124058246, 310145615, 620291230]

約数ペア:

[(1, 620291230), (2, 310145615), (5, 124058246), (10, 62029123), (13, 47714710), (26, 23857355), (65, 9542942), (130, 4771471), (653, 949910), (1306, 474955), (3265, 189982), (6530, 94991), (7307, 84890), (8489, 73070), (14614, 42445), (16978, 36535)]