208428090

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{534431}}^1$

素因数の和:534454

約数の個数: 32

約数和(自身を含む): 538707456

約数和(自身を除く): 330279366

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 534431, 1068862, 1603293, 2672155, 3206586, 5344310, 6947603, 8016465, 13895206, 16032930, 20842809, 34738015, 41685618, 69476030, 104214045, 208428090]

約数ペア:

[(1, 208428090), (2, 104214045), (3, 69476030), (5, 41685618), (6, 34738015), (10, 20842809), (13, 16032930), (15, 13895206), (26, 8016465), (30, 6947603), (39, 5344310), (65, 3206586), (78, 2672155), (130, 1603293), (195, 1068862), (390, 534431)]