128879118

素因数分解:

$2^1\times 3^2\times {\mathrm{173}}^1\times {\mathrm{41387}}^1$

素因数の和:41568

約数の個数: 24

約数和(自身を含む): 280858968

約数和(自身を除く): 151979850

約数列:

[1, 2, 3, 6, 9, 18, 173, 346, 519, 1038, 1557, 3114, 41387, 82774, 124161, 248322, 372483, 744966, 7159951, 14319902, 21479853, 42959706, 64439559, 128879118]

約数ペア:

[(1, 128879118), (2, 64439559), (3, 42959706), (6, 21479853), (9, 14319902), (18, 7159951), (173, 744966), (346, 372483), (519, 248322), (1038, 124161), (1557, 82774), (3114, 41387)]