128214678

素因数分解:

$2^1\times 3^1\times {\mathrm{131}}^1\times {\mathrm{157}}^1\times {\mathrm{1039}}^1$

素因数の和:1332

約数の個数: 32

約数和(自身を含む): 260282880

約数和(自身を除く): 132068202

約数列:

[1, 2, 3, 6, 131, 157, 262, 314, 393, 471, 786, 942, 1039, 2078, 3117, 6234, 20567, 41134, 61701, 123402, 136109, 163123, 272218, 326246, 408327, 489369, 816654, 978738, 21369113, 42738226, 64107339, 128214678]

約数ペア:

[(1, 128214678), (2, 64107339), (3, 42738226), (6, 21369113), (131, 978738), (157, 816654), (262, 489369), (314, 408327), (393, 326246), (471, 272218), (786, 163123), (942, 136109), (1039, 123402), (2078, 61701), (3117, 41134), (6234, 20567)]