128981412

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{511831}}^1$

素因数の和:511848

約数の個数: 36

約数和(自身を含む): 372613696

約数和(自身を除く): 243632284

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 511831, 1023662, 1535493, 2047324, 3070986, 3582817, 4606479, 6141972, 7165634, 9212958, 10748451, 14331268, 18425916, 21496902, 32245353, 42993804, 64490706, 128981412]

約数ペア:

[(1, 128981412), (2, 64490706), (3, 42993804), (4, 32245353), (6, 21496902), (7, 18425916), (9, 14331268), (12, 10748451), (14, 9212958), (18, 7165634), (21, 6141972), (28, 4606479), (36, 3582817), (42, 3070986), (63, 2047324), (84, 1535493), (126, 1023662), (252, 511831)]