About the Number

131989116

131989115 ← → 131989117

2進数表記:111110111011111111001111100

漢数字表記:一億三千百九十八万九千百十六

素因数分解:

2 2 × 3 1 × 7 1 × 61 1 × 25759 1

素因数の和:25834
約数の個数: 48
約数和(自身を含む): 357754880
約数和(自身を除く): 225765764

約数列:
[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 61, 84, 122, 183, 244, 366, 427, 732, 854, 1281, 1708, 2562, 5124, 25759, 51518, 77277, 103036, 154554, 180313, 309108, 360626, 540939, 721252, 1081878, 1571299, 2163756, 3142598, 4713897, 6285196, 9427794, 10999093, 18855588, 21998186, 32997279, 43996372, 65994558, 131989116]

約数ペア:
[(1, 131989116), (2, 65994558), (3, 43996372), (4, 32997279), (6, 21998186), (7, 18855588), (12, 10999093), (14, 9427794), (21, 6285196), (28, 4713897), (42, 3142598), (61, 2163756), (84, 1571299), (122, 1081878), (183, 721252), (244, 540939), (366, 360626), (427, 309108), (732, 180313), (854, 154554), (1281, 103036), (1708, 77277), (2562, 51518), (5124, 25759)]

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