128464956

素因数分解:

$2^2\times 3^2\times {\mathrm{173}}^1\times {\mathrm{20627}}^1$

素因数の和:20810

約数の個数: 36

約数和(自身を含む): 326623752

約数和(自身を除く): 198158796

約数列:

[1, 2, 3, 4, 6, 9, 12, 18, 36, 173, 346, 519, 692, 1038, 1557, 2076, 3114, 6228, 20627, 41254, 61881, 82508, 123762, 185643, 247524, 371286, 742572, 3568471, 7136942, 10705413, 14273884, 21410826, 32116239, 42821652, 64232478, 128464956]

約数ペア:

[(1, 128464956), (2, 64232478), (3, 42821652), (4, 32116239), (6, 21410826), (9, 14273884), (12, 10705413), (18, 7136942), (36, 3568471), (173, 742572), (346, 371286), (519, 247524), (692, 185643), (1038, 123762), (1557, 82508), (2076, 61881), (3114, 41254), (6228, 20627)]