864039890

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{251}}^1\times {\mathrm{49177}}^1$

素因数の和:49442

約数の個数: 32

約数和(自身を含む): 1784571264

約数和(自身を除く): 920531374

約数列:

[1, 2, 5, 7, 10, 14, 35, 70, 251, 502, 1255, 1757, 2510, 3514, 8785, 17570, 49177, 98354, 245885, 344239, 491770, 688478, 1721195, 3442390, 12343427, 24686854, 61717135, 86403989, 123434270, 172807978, 432019945, 864039890]

約数ペア:

[(1, 864039890), (2, 432019945), (5, 172807978), (7, 123434270), (10, 86403989), (14, 61717135), (35, 24686854), (70, 12343427), (251, 3442390), (502, 1721195), (1255, 688478), (1757, 491770), (2510, 344239), (3514, 245885), (8785, 98354), (17570, 49177)]