219265558

素因数分解:

$2^1\times {\mathrm{17}}^1\times {\mathrm{53}}^1\times {\mathrm{271}}^1\times {\mathrm{449}}^1$

素因数の和:792

約数の個数: 32

約数和(自身を含む): 356918400

約数和(自身を除く): 137652842

約数列:

[1, 2, 17, 34, 53, 106, 271, 449, 542, 898, 901, 1802, 4607, 7633, 9214, 14363, 15266, 23797, 28726, 47594, 121679, 243358, 244171, 404549, 488342, 809098, 2068543, 4137086, 6448987, 12897974, 109632779, 219265558]

約数ペア:

[(1, 219265558), (2, 109632779), (17, 12897974), (34, 6448987), (53, 4137086), (106, 2068543), (271, 809098), (449, 488342), (542, 404549), (898, 244171), (901, 243358), (1802, 121679), (4607, 47594), (7633, 28726), (9214, 23797), (14363, 15266)]