78748816

素因数分解:

$2^4\times {\mathrm{131}}^1\times {\mathrm{37571}}^1$

素因数の和:37710

約数の個数: 20

約数和(自身を含む): 153744624

約数和(自身を除く): 74995808

約数列:

[1, 2, 4, 8, 16, 131, 262, 524, 1048, 2096, 37571, 75142, 150284, 300568, 601136, 4921801, 9843602, 19687204, 39374408, 78748816]

約数ペア:

[(1, 78748816), (2, 39374408), (4, 19687204), (8, 9843602), (16, 4921801), (131, 601136), (262, 300568), (524, 150284), (1048, 75142), (2096, 37571)]