28193669456

素因数分解:

$2^4\times {\mathrm{71}}^1\times {\mathrm{167}}^1\times {\mathrm{353}}^1\times {\mathrm{421}}^1$

素因数の和:1020

約数の個数: 80

約数和(自身を含む): 56016914688

約数和(自身を除く): 27823245232

約数列:

[1, 2, 4, 8, 16, 71, 142, 167, 284, 334, 353, 421, 568, 668, 706, 842, 1136, 1336, 1412, 1684, 2672, 2824, 3368, 5648, 6736, 11857, 23714, 25063, 29891, 47428, 50126, 58951, 59782, 70307, 94856, 100252, 117902, 119564, 140614, 148613, 189712, 200504, 235804, 239128, 281228, 297226, 401008, 471608, 478256, 562456, 594452, 943216, 1124912, 1188904, 2377808, 4185521, 4991797, 8371042, 9983594, 10551523, 16742084, 19967188, 21103046, 24818371, 33484168, 39934376, 42206092, 49636742, 66968336, 79868752, 84412184, 99273484, 168824368, 198546968, 397093936, 1762104341, 3524208682, 7048417364, 14096834728, 28193669456]

約数ペア:

[(1, 28193669456), (2, 14096834728), (4, 7048417364), (8, 3524208682), (16, 1762104341), (71, 397093936), (142, 198546968), (167, 168824368), (284, 99273484), (334, 84412184), (353, 79868752), (421, 66968336), (568, 49636742), (668, 42206092), (706, 39934376), (842, 33484168), (1136, 24818371), (1336, 21103046), (1412, 19967188), (1684, 16742084), (2672, 10551523), (2824, 9983594), (3368, 8371042), (5648, 4991797), (6736, 4185521), (11857, 2377808), (23714, 1188904), (25063, 1124912), (29891, 943216), (47428, 594452), (50126, 562456), (58951, 478256), (59782, 471608), (70307, 401008), (94856, 297226), (100252, 281228), (117902, 239128), (119564, 235804), (140614, 200504), (148613, 189712)]