128672916

素因数分解:

$2^2\times 3^1\times {\mathrm{131}}^1\times {\mathrm{81853}}^1$

素因数の和:81991

約数の個数: 24

約数和(自身を含む): 302532384

約数和(自身を除く): 173859468

約数列:

[1, 2, 3, 4, 6, 12, 131, 262, 393, 524, 786, 1572, 81853, 163706, 245559, 327412, 491118, 982236, 10722743, 21445486, 32168229, 42890972, 64336458, 128672916]

約数ペア:

[(1, 128672916), (2, 64336458), (3, 42890972), (4, 32168229), (6, 21445486), (12, 10722743), (131, 982236), (262, 491118), (393, 327412), (524, 245559), (786, 163706), (1572, 81853)]