About the Number

131904816

131904815 ← → 131904817

2進数表記:111110111001011010100110000

漢数字表記:一億三千百九十万四千八百十六

素因数分解:

2 4 × 3 1 × 23 1 × 163 1 × 733 1

素因数の和:930
約数の個数: 80
約数和(自身を含む): 358238976
約数和(自身を除く): 226334160

約数列:
[1, 2, 3, 4, 6, 8, 12, 16, 23, 24, 46, 48, 69, 92, 138, 163, 184, 276, 326, 368, 489, 552, 652, 733, 978, 1104, 1304, 1466, 1956, 2199, 2608, 2932, 3749, 3912, 4398, 5864, 7498, 7824, 8796, 11247, 11728, 14996, 16859, 17592, 22494, 29992, 33718, 35184, 44988, 50577, 59984, 67436, 89976, 101154, 119479, 134872, 179952, 202308, 238958, 269744, 358437, 404616, 477916, 716874, 809232, 955832, 1433748, 1911664, 2748017, 2867496, 5496034, 5734992, 8244051, 10992068, 16488102, 21984136, 32976204, 43968272, 65952408, 131904816]

約数ペア:
[(1, 131904816), (2, 65952408), (3, 43968272), (4, 32976204), (6, 21984136), (8, 16488102), (12, 10992068), (16, 8244051), (23, 5734992), (24, 5496034), (46, 2867496), (48, 2748017), (69, 1911664), (92, 1433748), (138, 955832), (163, 809232), (184, 716874), (276, 477916), (326, 404616), (368, 358437), (489, 269744), (552, 238958), (652, 202308), (733, 179952), (978, 134872), (1104, 119479), (1304, 101154), (1466, 89976), (1956, 67436), (2199, 59984), (2608, 50577), (2932, 44988), (3749, 35184), (3912, 33718), (4398, 29992), (5864, 22494), (7498, 17592), (7824, 16859), (8796, 14996), (11247, 11728)]

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