28231378

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{211}}^1\times {\mathrm{503}}^1$

素因数の和:742

約数の個数: 32

約数和(自身を含む): 51287040

約数和(自身を除く): 23055662

約数列:

[1, 2, 7, 14, 19, 38, 133, 211, 266, 422, 503, 1006, 1477, 2954, 3521, 4009, 7042, 8018, 9557, 19114, 28063, 56126, 66899, 106133, 133798, 212266, 742931, 1485862, 2016527, 4033054, 14115689, 28231378]

約数ペア:

[(1, 28231378), (2, 14115689), (7, 4033054), (14, 2016527), (19, 1485862), (38, 742931), (133, 212266), (211, 133798), (266, 106133), (422, 66899), (503, 56126), (1006, 28063), (1477, 19114), (2954, 9557), (3521, 8018), (4009, 7042)]