128239748

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{571}}^1\times {\mathrm{617}}^1$

素因数の和:1212

約数の個数: 48

約数和(自身を含む): 277140864

約数和(自身を除く): 148901116

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 571, 617, 1142, 1234, 2284, 2468, 3997, 4319, 7423, 7994, 8021, 8638, 14846, 15988, 16042, 17276, 29692, 32084, 51961, 56147, 103922, 112294, 207844, 224588, 352307, 704614, 1409228, 2466149, 4579991, 4932298, 9159982, 9864596, 18319964, 32059937, 64119874, 128239748]

約数ペア:

[(1, 128239748), (2, 64119874), (4, 32059937), (7, 18319964), (13, 9864596), (14, 9159982), (26, 4932298), (28, 4579991), (52, 2466149), (91, 1409228), (182, 704614), (364, 352307), (571, 224588), (617, 207844), (1142, 112294), (1234, 103922), (2284, 56147), (2468, 51961), (3997, 32084), (4319, 29692), (7423, 17276), (7994, 16042), (8021, 15988), (8638, 14846)]