128655858

素因数分解:

$2^1\times 3^1\times {\mathrm{103}}^1\times {\mathrm{409}}^1\times {\mathrm{509}}^1$

素因数の和:1026

約数の個数: 32

約数和(自身を含む): 260956800

約数和(自身を除く): 132300942

約数列:

[1, 2, 3, 6, 103, 206, 309, 409, 509, 618, 818, 1018, 1227, 1527, 2454, 3054, 42127, 52427, 84254, 104854, 126381, 157281, 208181, 252762, 314562, 416362, 624543, 1249086, 21442643, 42885286, 64327929, 128655858]

約数ペア:

[(1, 128655858), (2, 64327929), (3, 42885286), (6, 21442643), (103, 1249086), (206, 624543), (309, 416362), (409, 314562), (509, 252762), (618, 208181), (818, 157281), (1018, 126381), (1227, 104854), (1527, 84254), (2454, 52427), (3054, 42127)]