About the Number

12987216

12987215 ← → 12987217

2進数表記:110001100010101101010000

漢数字表記:千二百九十八万七千二百十六

素因数分解:

2 4 × 3 4 × 11 1 × 911 1

素因数の和:942
約数の個数: 100
約数和(自身を含む): 41050944
約数和(自身を除く): 28063728

約数列:
[1, 2, 3, 4, 6, 8, 9, 11, 12, 16, 18, 22, 24, 27, 33, 36, 44, 48, 54, 66, 72, 81, 88, 99, 108, 132, 144, 162, 176, 198, 216, 264, 297, 324, 396, 432, 528, 594, 648, 792, 891, 911, 1188, 1296, 1584, 1782, 1822, 2376, 2733, 3564, 3644, 4752, 5466, 7128, 7288, 8199, 10021, 10932, 14256, 14576, 16398, 20042, 21864, 24597, 30063, 32796, 40084, 43728, 49194, 60126, 65592, 73791, 80168, 90189, 98388, 120252, 131184, 147582, 160336, 180378, 196776, 240504, 270567, 295164, 360756, 393552, 481008, 541134, 590328, 721512, 811701, 1082268, 1180656, 1443024, 1623402, 2164536, 3246804, 4329072, 6493608, 12987216]

約数ペア:
[(1, 12987216), (2, 6493608), (3, 4329072), (4, 3246804), (6, 2164536), (8, 1623402), (9, 1443024), (11, 1180656), (12, 1082268), (16, 811701), (18, 721512), (22, 590328), (24, 541134), (27, 481008), (33, 393552), (36, 360756), (44, 295164), (48, 270567), (54, 240504), (66, 196776), (72, 180378), (81, 160336), (88, 147582), (99, 131184), (108, 120252), (132, 98388), (144, 90189), (162, 80168), (176, 73791), (198, 65592), (216, 60126), (264, 49194), (297, 43728), (324, 40084), (396, 32796), (432, 30063), (528, 24597), (594, 21864), (648, 20042), (792, 16398), (891, 14576), (911, 14256), (1188, 10932), (1296, 10021), (1584, 8199), (1782, 7288), (1822, 7128), (2376, 5466), (2733, 4752), (3564, 3644)]

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