1920647554

素因数分解:

$2^1\times 7^1\times {\mathrm{29}}^1\times {\mathrm{71}}^1\times {\mathrm{66629}}^1$

素因数の和:66738

約数の個数: 32

約数和(自身を含む): 3454099200

約数和(自身を除く): 1533451646

約数列:

[1, 2, 7, 14, 29, 58, 71, 142, 203, 406, 497, 994, 2059, 4118, 14413, 28826, 66629, 133258, 466403, 932806, 1932241, 3864482, 4730659, 9461318, 13525687, 27051374, 33114613, 66229226, 137189111, 274378222, 960323777, 1920647554]

約数ペア:

[(1, 1920647554), (2, 960323777), (7, 274378222), (14, 137189111), (29, 66229226), (58, 33114613), (71, 27051374), (142, 13525687), (203, 9461318), (406, 4730659), (497, 3864482), (994, 1932241), (2059, 932806), (4118, 466403), (14413, 133258), (28826, 66629)]