About the Number

131904948

131904947 ← → 131904949

2進数表記:111110111001011010110110100

漢数字表記:一億三千百九十万四千九百四十八

素因数分解:

2 2 × 3 1 × 7 1 × 131 1 × 11987 1

素因数の和:12132
約数の個数: 48
約数和(自身を含む): 354461184
約数和(自身を除く): 222556236

約数列:
[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 131, 262, 393, 524, 786, 917, 1572, 1834, 2751, 3668, 5502, 11004, 11987, 23974, 35961, 47948, 71922, 83909, 143844, 167818, 251727, 335636, 503454, 1006908, 1570297, 3140594, 4710891, 6281188, 9421782, 10992079, 18843564, 21984158, 32976237, 43968316, 65952474, 131904948]

約数ペア:
[(1, 131904948), (2, 65952474), (3, 43968316), (4, 32976237), (6, 21984158), (7, 18843564), (12, 10992079), (14, 9421782), (21, 6281188), (28, 4710891), (42, 3140594), (84, 1570297), (131, 1006908), (262, 503454), (393, 335636), (524, 251727), (786, 167818), (917, 143844), (1572, 83909), (1834, 71922), (2751, 47948), (3668, 35961), (5502, 23974), (11004, 11987)]

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