7881830

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{79}}^1\times {\mathrm{907}}^1$

素因数の和:1004

約数の個数: 32

約数和(自身を含む): 15690240

約数和(自身を除く): 7808410

約数列:

[1, 2, 5, 10, 11, 22, 55, 79, 110, 158, 395, 790, 869, 907, 1738, 1814, 4345, 4535, 8690, 9070, 9977, 19954, 49885, 71653, 99770, 143306, 358265, 716530, 788183, 1576366, 3940915, 7881830]

約数ペア:

[(1, 7881830), (2, 3940915), (5, 1576366), (10, 788183), (11, 716530), (22, 358265), (55, 143306), (79, 99770), (110, 71653), (158, 49885), (395, 19954), (790, 9977), (869, 9070), (907, 8690), (1738, 4535), (1814, 4345)]