2778438

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{179}}^1\times {\mathrm{199}}^1$

素因数の和:396

約数の個数: 32

約数和(自身を含む): 6048000

約数和(自身を除く): 3269562

約数列:

[1, 2, 3, 6, 13, 26, 39, 78, 179, 199, 358, 398, 537, 597, 1074, 1194, 2327, 2587, 4654, 5174, 6981, 7761, 13962, 15522, 35621, 71242, 106863, 213726, 463073, 926146, 1389219, 2778438]

約数ペア:

[(1, 2778438), (2, 1389219), (3, 926146), (6, 463073), (13, 213726), (26, 106863), (39, 71242), (78, 35621), (179, 15522), (199, 13962), (358, 7761), (398, 6981), (537, 5174), (597, 4654), (1074, 2587), (1194, 2327)]