3989830

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{47}}^1\times {\mathrm{653}}^1$

素因数の和:720

約数の個数: 32

約数和(自身を含む): 7910784

約数和(自身を除く): 3920954

約数列:

[1, 2, 5, 10, 13, 26, 47, 65, 94, 130, 235, 470, 611, 653, 1222, 1306, 3055, 3265, 6110, 6530, 8489, 16978, 30691, 42445, 61382, 84890, 153455, 306910, 398983, 797966, 1994915, 3989830]

約数ペア:

[(1, 3989830), (2, 1994915), (5, 797966), (10, 398983), (13, 306910), (26, 153455), (47, 84890), (65, 61382), (94, 42445), (130, 30691), (235, 16978), (470, 8489), (611, 6530), (653, 6110), (1222, 3265), (1306, 3055)]