664868406

素因数分解:

$2^1\times 3^1\times {\mathrm{19}}^1\times {\mathrm{23}}^1\times {\mathrm{253573}}^1$

素因数の和:253620

約数の個数: 32

約数和(自身を含む): 1460586240

約数和(自身を除く): 795717834

約数列:

[1, 2, 3, 6, 19, 23, 38, 46, 57, 69, 114, 138, 437, 874, 1311, 2622, 253573, 507146, 760719, 1521438, 4817887, 5832179, 9635774, 11664358, 14453661, 17496537, 28907322, 34993074, 110811401, 221622802, 332434203, 664868406]

約数ペア:

[(1, 664868406), (2, 332434203), (3, 221622802), (6, 110811401), (19, 34993074), (23, 28907322), (38, 17496537), (46, 14453661), (57, 11664358), (69, 9635774), (114, 5832179), (138, 4817887), (437, 1521438), (874, 760719), (1311, 507146), (2622, 253573)]