51964563

素因数分解:

$3^1\times 7^1\times {\mathrm{17}}^1\times {\mathrm{19}}^1\times {\mathrm{47}}^1\times {\mathrm{163}}^1$

素因数の和:256

約数の個数: 64

約数和(自身を含む): 90685440

約数和(自身を除く): 38720877

約数列:

[1, 3, 7, 17, 19, 21, 47, 51, 57, 119, 133, 141, 163, 323, 329, 357, 399, 489, 799, 893, 969, 987, 1141, 2261, 2397, 2679, 2771, 3097, 3423, 5593, 6251, 6783, 7661, 8313, 9291, 15181, 16779, 18753, 19397, 21679, 22983, 45543, 52649, 53627, 58191, 65037, 106267, 130237, 145559, 157947, 160881, 318801, 368543, 390711, 436677, 911659, 1018913, 1105629, 2474503, 2734977, 3056739, 7423509, 17321521, 51964563]

約数ペア:

[(1, 51964563), (3, 17321521), (7, 7423509), (17, 3056739), (19, 2734977), (21, 2474503), (47, 1105629), (51, 1018913), (57, 911659), (119, 436677), (133, 390711), (141, 368543), (163, 318801), (323, 160881), (329, 157947), (357, 145559), (399, 130237), (489, 106267), (799, 65037), (893, 58191), (969, 53627), (987, 52649), (1141, 45543), (2261, 22983), (2397, 21679), (2679, 19397), (2771, 18753), (3097, 16779), (3423, 15181), (5593, 9291), (6251, 8313), (6783, 7661)]