664631390

素因数分解:

$2^1\times 5^1\times {\mathrm{97}}^1\times {\mathrm{383}}^1\times {\mathrm{1789}}^1$

素因数の和:2276

約数の個数: 32

約数和(自身を含む): 1212503040

約数和(自身を除く): 547871650

約数列:

[1, 2, 5, 10, 97, 194, 383, 485, 766, 970, 1789, 1915, 3578, 3830, 8945, 17890, 37151, 74302, 173533, 185755, 347066, 371510, 685187, 867665, 1370374, 1735330, 3425935, 6851870, 66463139, 132926278, 332315695, 664631390]

約数ペア:

[(1, 664631390), (2, 332315695), (5, 132926278), (10, 66463139), (97, 6851870), (194, 3425935), (383, 1735330), (485, 1370374), (766, 867665), (970, 685187), (1789, 371510), (1915, 347066), (3578, 185755), (3830, 173533), (8945, 74302), (17890, 37151)]