64820938

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{11489}}^1$

素因数の和:11542

約数の個数: 32

約数和(自身を含む): 123540480

約数和(自身を除く): 58719542

約数列:

[1, 2, 7, 13, 14, 26, 31, 62, 91, 182, 217, 403, 434, 806, 2821, 5642, 11489, 22978, 80423, 149357, 160846, 298714, 356159, 712318, 1045499, 2090998, 2493113, 4630067, 4986226, 9260134, 32410469, 64820938]

約数ペア:

[(1, 64820938), (2, 32410469), (7, 9260134), (13, 4986226), (14, 4630067), (26, 2493113), (31, 2090998), (62, 1045499), (91, 712318), (182, 356159), (217, 298714), (403, 160846), (434, 149357), (806, 80423), (2821, 22978), (5642, 11489)]