2178717541

素因数分解:

$7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{61}}^1\times {\mathrm{1151}}^1$

素因数の和:1274

約数の個数: 64

約数和(自身を含む): 3071803392

約数和(自身を除く): 893085851

約数列:

[1, 7, 11, 13, 31, 61, 77, 91, 143, 217, 341, 403, 427, 671, 793, 1001, 1151, 1891, 2387, 2821, 4433, 4697, 5551, 8057, 8723, 12661, 13237, 14963, 20801, 24583, 31031, 35681, 61061, 70211, 88627, 104741, 145607, 164593, 172081, 249767, 270413, 392491, 463853, 491477, 772321, 912743, 1152151, 1892891, 2176541, 2747437, 3246971, 5102383, 5406247, 6389201, 10040173, 15235787, 23941951, 28295033, 35716681, 70281211, 167593657, 198065231, 311245363, 2178717541]

約数ペア:

[(1, 2178717541), (7, 311245363), (11, 198065231), (13, 167593657), (31, 70281211), (61, 35716681), (77, 28295033), (91, 23941951), (143, 15235787), (217, 10040173), (341, 6389201), (403, 5406247), (427, 5102383), (671, 3246971), (793, 2747437), (1001, 2176541), (1151, 1892891), (1891, 1152151), (2387, 912743), (2821, 772321), (4433, 491477), (4697, 463853), (5551, 392491), (8057, 270413), (8723, 249767), (12661, 172081), (13237, 164593), (14963, 145607), (20801, 104741), (24583, 88627), (31031, 70211), (35681, 61061)]