128698742

素因数分解:

$2^1\times {\mathrm{19}}^1\times {\mathrm{43}}^1\times {\mathrm{79}}^1\times {\mathrm{997}}^1$

素因数の和:1140

約数の個数: 32

約数和(自身を含む): 210777600

約数和(自身を除く): 82078858

約数列:

[1, 2, 19, 38, 43, 79, 86, 158, 817, 997, 1501, 1634, 1994, 3002, 3397, 6794, 18943, 37886, 42871, 64543, 78763, 85742, 129086, 157526, 814549, 1496497, 1629098, 2992994, 3386809, 6773618, 64349371, 128698742]

約数ペア:

[(1, 128698742), (2, 64349371), (19, 6773618), (38, 3386809), (43, 2992994), (79, 1629098), (86, 1496497), (158, 814549), (817, 157526), (997, 129086), (1501, 85742), (1634, 78763), (1994, 64543), (3002, 42871), (3397, 37886), (6794, 18943)]