27780402

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{11489}}^1$

素因数の和:11538

約数の個数: 32

約数和(自身を含む): 61770240

約数和(自身を除く): 33989838

約数列:

[1, 2, 3, 6, 13, 26, 31, 39, 62, 78, 93, 186, 403, 806, 1209, 2418, 11489, 22978, 34467, 68934, 149357, 298714, 356159, 448071, 712318, 896142, 1068477, 2136954, 4630067, 9260134, 13890201, 27780402]

約数ペア:

[(1, 27780402), (2, 13890201), (3, 9260134), (6, 4630067), (13, 2136954), (26, 1068477), (31, 896142), (39, 712318), (62, 448071), (78, 356159), (93, 298714), (186, 149357), (403, 68934), (806, 34467), (1209, 22978), (2418, 11489)]