128936408

素因数分解:

$2^3\times {\mathrm{67}}^1\times {\mathrm{293}}^1\times {\mathrm{821}}^1$

素因数の和:1187

約数の個数: 32

約数和(自身を含む): 246501360

約数和(自身を除く): 117564952

約数列:

[1, 2, 4, 8, 67, 134, 268, 293, 536, 586, 821, 1172, 1642, 2344, 3284, 6568, 19631, 39262, 55007, 78524, 110014, 157048, 220028, 240553, 440056, 481106, 962212, 1924424, 16117051, 32234102, 64468204, 128936408]

約数ペア:

[(1, 128936408), (2, 64468204), (4, 32234102), (8, 16117051), (67, 1924424), (134, 962212), (268, 481106), (293, 440056), (536, 240553), (586, 220028), (821, 157048), (1172, 110014), (1642, 78524), (2344, 55007), (3284, 39262), (6568, 19631)]