668399249

素因数分解:

$7^2\times {\mathrm{83}}^1\times {\mathrm{149}}^1\times {\mathrm{1103}}^1$

素因数の和:1349

約数の個数: 24

約数和(自身を含む): 792892800

約数和(自身を除く): 124493551

約数列:

[1, 7, 49, 83, 149, 581, 1043, 1103, 4067, 7301, 7721, 12367, 54047, 86569, 91549, 164347, 605983, 640843, 1150429, 4485901, 8053003, 13640801, 95485607, 668399249]

約数ペア:

[(1, 668399249), (7, 95485607), (49, 13640801), (83, 8053003), (149, 4485901), (581, 1150429), (1043, 640843), (1103, 605983), (4067, 164347), (7301, 91549), (7721, 86569), (12367, 54047)]