66471990

素因数分解:

$2^1\times 3^1\times 5^1\times {\mathrm{13}}^1\times {\mathrm{170441}}^1$

素因数の和:170464

約数の個数: 32

約数和(自身を含む): 171805536

約数和(自身を除く): 105333546

約数列:

[1, 2, 3, 5, 6, 10, 13, 15, 26, 30, 39, 65, 78, 130, 195, 390, 170441, 340882, 511323, 852205, 1022646, 1704410, 2215733, 2556615, 4431466, 5113230, 6647199, 11078665, 13294398, 22157330, 33235995, 66471990]

約数ペア:

[(1, 66471990), (2, 33235995), (3, 22157330), (5, 13294398), (6, 11078665), (10, 6647199), (13, 5113230), (15, 4431466), (26, 2556615), (30, 2215733), (39, 1704410), (65, 1022646), (78, 852205), (130, 511323), (195, 340882), (390, 170441)]