201891820

素因数分解:

$2^2\times 5^1\times {\mathrm{13}}^1\times {\mathrm{776507}}^1$

素因数の和:776529

約数の個数: 24

約数和(自身を含む): 456586704

約数和(自身を除く): 254694884

約数列:

[1, 2, 4, 5, 10, 13, 20, 26, 52, 65, 130, 260, 776507, 1553014, 3106028, 3882535, 7765070, 10094591, 15530140, 20189182, 40378364, 50472955, 100945910, 201891820]

約数ペア:

[(1, 201891820), (2, 100945910), (4, 50472955), (5, 40378364), (10, 20189182), (13, 15530140), (20, 10094591), (26, 7765070), (52, 3882535), (65, 3106028), (130, 1553014), (260, 776507)]