639262022

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{73}}^1\times {\mathrm{21569}}^1$

素因数の和:21680

約数の個数: 32

約数和(自身を含む): 1149249600

約数和(自身を除く): 509987578

約数列:

[1, 2, 7, 14, 29, 58, 73, 146, 203, 406, 511, 1022, 2117, 4234, 14819, 21569, 29638, 43138, 150983, 301966, 625501, 1251002, 1574537, 3149074, 4378507, 8757014, 11021759, 22043518, 45661573, 91323146, 319631011, 639262022]

約数ペア:

[(1, 639262022), (2, 319631011), (7, 91323146), (14, 45661573), (29, 22043518), (58, 11021759), (73, 8757014), (146, 4378507), (203, 3149074), (406, 1574537), (511, 1251002), (1022, 625501), (2117, 301966), (4234, 150983), (14819, 43138), (21569, 29638)]