128426242

素因数分解:

$2^1\times 7^1\times {\mathrm{31}}^1\times {\mathrm{199}}^1\times {\mathrm{1487}}^1$

素因数の和:1726

約数の個数: 32

約数和(自身を含む): 228556800

約数和(自身を除く): 100130558

約数列:

[1, 2, 7, 14, 31, 62, 199, 217, 398, 434, 1393, 1487, 2786, 2974, 6169, 10409, 12338, 20818, 43183, 46097, 86366, 92194, 295913, 322679, 591826, 645358, 2071391, 4142782, 9173303, 18346606, 64213121, 128426242]

約数ペア:

[(1, 128426242), (2, 64213121), (7, 18346606), (14, 9173303), (31, 4142782), (62, 2071391), (199, 645358), (217, 591826), (398, 322679), (434, 295913), (1393, 92194), (1487, 86366), (2786, 46097), (2974, 43183), (6169, 20818), (10409, 12338)]