81195870

素因数分解:

$2^1\times 3^1\times 5^1\times 7^1\times {\mathrm{386647}}^1$

素因数の和:386664

約数の個数: 32

約数和(自身を含む): 222709248

約数和(自身を除く): 141513378

約数列:

[1, 2, 3, 5, 6, 7, 10, 14, 15, 21, 30, 35, 42, 70, 105, 210, 386647, 773294, 1159941, 1933235, 2319882, 2706529, 3866470, 5413058, 5799705, 8119587, 11599410, 13532645, 16239174, 27065290, 40597935, 81195870]

約数ペア:

[(1, 81195870), (2, 40597935), (3, 27065290), (5, 16239174), (6, 13532645), (7, 11599410), (10, 8119587), (14, 5799705), (15, 5413058), (21, 3866470), (30, 2706529), (35, 2319882), (42, 1933235), (70, 1159941), (105, 773294), (210, 386647)]