664209318

素因数分解:

$2^1\times 3^1\times {\mathrm{23}}^1\times {\mathrm{293}}^1\times {\mathrm{16427}}^1$

素因数の和:16748

約数の個数: 32

約数和(自身を含む): 1390991616

約数和(自身を除く): 726782298

約数列:

[1, 2, 3, 6, 23, 46, 69, 138, 293, 586, 879, 1758, 6739, 13478, 16427, 20217, 32854, 40434, 49281, 98562, 377821, 755642, 1133463, 2266926, 4813111, 9626222, 14439333, 28878666, 110701553, 221403106, 332104659, 664209318]

約数ペア:

[(1, 664209318), (2, 332104659), (3, 221403106), (6, 110701553), (23, 28878666), (46, 14439333), (69, 9626222), (138, 4813111), (293, 2266926), (586, 1133463), (879, 755642), (1758, 377821), (6739, 98562), (13478, 49281), (16427, 40434), (20217, 32854)]