871567210

素因数分解:

$2^1\times 5^1\times {\mathrm{89}}^1\times {\mathrm{643}}^1\times {\mathrm{1523}}^1$

素因数の和:2262

約数の個数: 32

約数和(自身を含む): 1589958720

約数和(自身を除く): 718391510

約数列:

[1, 2, 5, 10, 89, 178, 445, 643, 890, 1286, 1523, 3046, 3215, 6430, 7615, 15230, 57227, 114454, 135547, 271094, 286135, 572270, 677735, 979289, 1355470, 1958578, 4896445, 9792890, 87156721, 174313442, 435783605, 871567210]

約数ペア:

[(1, 871567210), (2, 435783605), (5, 174313442), (10, 87156721), (89, 9792890), (178, 4896445), (445, 1958578), (643, 1355470), (890, 979289), (1286, 677735), (1523, 572270), (3046, 286135), (3215, 271094), (6430, 135547), (7615, 114454), (15230, 57227)]