217409976

素因数分解:

$2^3\times 3^2\times 7^1\times {\mathrm{431369}}^1$

素因数の和:431388

約数の個数: 48

約数和(自身を含む): 672937200

約数和(自身を除く): 455527224

約数列:

[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 63, 72, 84, 126, 168, 252, 504, 431369, 862738, 1294107, 1725476, 2588214, 3019583, 3450952, 3882321, 5176428, 6039166, 7764642, 9058749, 10352856, 12078332, 15529284, 18117498, 24156664, 27176247, 31058568, 36234996, 54352494, 72469992, 108704988, 217409976]

約数ペア:

[(1, 217409976), (2, 108704988), (3, 72469992), (4, 54352494), (6, 36234996), (7, 31058568), (8, 27176247), (9, 24156664), (12, 18117498), (14, 15529284), (18, 12078332), (21, 10352856), (24, 9058749), (28, 7764642), (36, 6039166), (42, 5176428), (56, 3882321), (63, 3450952), (72, 3019583), (84, 2588214), (126, 1725476), (168, 1294107), (252, 862738), (504, 431369)]