681727930

素因数分解:

$2^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{131}}^1\times {\mathrm{40031}}^1$

素因数の和:40182

約数の個数: 32

約数和(自身を含む): 1331624448

約数和(自身を除く): 649896518

約数列:

[1, 2, 5, 10, 13, 26, 65, 130, 131, 262, 655, 1310, 1703, 3406, 8515, 17030, 40031, 80062, 200155, 400310, 520403, 1040806, 2602015, 5204030, 5244061, 10488122, 26220305, 52440610, 68172793, 136345586, 340863965, 681727930]

約数ペア:

[(1, 681727930), (2, 340863965), (5, 136345586), (10, 68172793), (13, 52440610), (26, 26220305), (65, 10488122), (130, 5244061), (131, 5204030), (262, 2602015), (655, 1040806), (1310, 520403), (1703, 400310), (3406, 200155), (8515, 80062), (17030, 40031)]