211674687084

素因数分解:

$2^2\times 3^2\times 7^1\times {\mathrm{431}}^1\times {\mathrm{1948907}}^1$

素因数の和:1949355

約数の個数: 72

約数和(自身を含む): 612923770368

約数和(自身を除く): 401249083284

約数列:

[1, 2, 3, 4, 6, 7, 9, 12, 14, 18, 21, 28, 36, 42, 63, 84, 126, 252, 431, 862, 1293, 1724, 2586, 3017, 3879, 5172, 6034, 7758, 9051, 12068, 15516, 18102, 27153, 36204, 54306, 108612, 1948907, 3897814, 5846721, 7795628, 11693442, 13642349, 17540163, 23386884, 27284698, 35080326, 40927047, 54569396, 70160652, 81854094, 122781141, 163708188, 245562282, 491124564, 839978917, 1679957834, 2519936751, 3359915668, 5039873502, 5879852419, 7559810253, 10079747004, 11759704838, 15119620506, 17639557257, 23519409676, 30239241012, 35279114514, 52918671771, 70558229028, 105837343542, 211674687084]

約数ペア:

[(1, 211674687084), (2, 105837343542), (3, 70558229028), (4, 52918671771), (6, 35279114514), (7, 30239241012), (9, 23519409676), (12, 17639557257), (14, 15119620506), (18, 11759704838), (21, 10079747004), (28, 7559810253), (36, 5879852419), (42, 5039873502), (63, 3359915668), (84, 2519936751), (126, 1679957834), (252, 839978917), (431, 491124564), (862, 245562282), (1293, 163708188), (1724, 122781141), (2586, 81854094), (3017, 70160652), (3879, 54569396), (5172, 40927047), (6034, 35080326), (7758, 27284698), (9051, 23386884), (12068, 17540163), (15516, 13642349), (18102, 11693442), (27153, 7795628), (36204, 5846721), (54306, 3897814), (108612, 1948907)]