172940816

素因数分解:

$2^4\times {\mathrm{31}}^1\times {\mathrm{348671}}^1$

素因数の和:348710

約数の個数: 20

約数和(自身を含む): 345882624

約数和(自身を除く): 172941808

約数列:

[1, 2, 4, 8, 16, 31, 62, 124, 248, 496, 348671, 697342, 1394684, 2789368, 5578736, 10808801, 21617602, 43235204, 86470408, 172940816]

約数ペア:

[(1, 172940816), (2, 86470408), (4, 43235204), (8, 21617602), (16, 10808801), (31, 5578736), (62, 2789368), (124, 1394684), (248, 697342), (496, 348671)]