81896170

素因数分解:

$2^1\times 5^1\times {\mathrm{37}}^1\times {\mathrm{389}}^1\times {\mathrm{569}}^1$

素因数の和:1002

約数の個数: 32

約数和(自身を含む): 152053200

約数和(自身を除く): 70157030

約数列:

[1, 2, 5, 10, 37, 74, 185, 370, 389, 569, 778, 1138, 1945, 2845, 3890, 5690, 14393, 21053, 28786, 42106, 71965, 105265, 143930, 210530, 221341, 442682, 1106705, 2213410, 8189617, 16379234, 40948085, 81896170]

約数ペア:

[(1, 81896170), (2, 40948085), (5, 16379234), (10, 8189617), (37, 2213410), (74, 1106705), (185, 442682), (370, 221341), (389, 210530), (569, 143930), (778, 105265), (1138, 71965), (1945, 42106), (2845, 28786), (3890, 21053), (5690, 14393)]