664655810

素因数分解:

$2^1\times 5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{23561}}^1$

素因数の和:23619

約数の個数: 64

約数和(自身を含む): 1520031744

約数和(自身を除く): 855375934

約数列:

[1, 2, 5, 7, 10, 13, 14, 26, 31, 35, 62, 65, 70, 91, 130, 155, 182, 217, 310, 403, 434, 455, 806, 910, 1085, 2015, 2170, 2821, 4030, 5642, 14105, 23561, 28210, 47122, 117805, 164927, 235610, 306293, 329854, 612586, 730391, 824635, 1460782, 1531465, 1649270, 2144051, 3062930, 3651955, 4288102, 5112737, 7303910, 9495083, 10225474, 10720255, 18990166, 21440510, 25563685, 47475415, 51127370, 66465581, 94950830, 132931162, 332327905, 664655810]

約数ペア:

[(1, 664655810), (2, 332327905), (5, 132931162), (7, 94950830), (10, 66465581), (13, 51127370), (14, 47475415), (26, 25563685), (31, 21440510), (35, 18990166), (62, 10720255), (65, 10225474), (70, 9495083), (91, 7303910), (130, 5112737), (155, 4288102), (182, 3651955), (217, 3062930), (310, 2144051), (403, 1649270), (434, 1531465), (455, 1460782), (806, 824635), (910, 730391), (1085, 612586), (2015, 329854), (2170, 306293), (2821, 235610), (4030, 164927), (5642, 117805), (14105, 47122), (23561, 28210)]