664272908

素因数分解:

$2^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{672341}}^1$

素因数の和:672377

約数の個数: 24

約数和(自身を含む): 1317790320

約数和(自身を除く): 653517412

約数列:

[1, 2, 4, 13, 19, 26, 38, 52, 76, 247, 494, 988, 672341, 1344682, 2689364, 8740433, 12774479, 17480866, 25548958, 34961732, 51097916, 166068227, 332136454, 664272908]

約数ペア:

[(1, 664272908), (2, 332136454), (4, 166068227), (13, 51097916), (19, 34961732), (26, 25548958), (38, 17480866), (52, 12774479), (76, 8740433), (247, 2689364), (494, 1344682), (988, 672341)]