About the Number

131980884

131980883 ← → 131980885

2進数表記:111110111011101111001010100

漢数字表記:一億三千百九十八万八百八十四

素因数分解:

2 2 × 3 1 × 7 1 × 1571201 1

素因数の和:1571215
約数の個数: 24
約数和(自身を含む): 351949248
約数和(自身を除く): 219968364

約数列:
[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 1571201, 3142402, 4713603, 6284804, 9427206, 10998407, 18854412, 21996814, 32995221, 43993628, 65990442, 131980884]

約数ペア:
[(1, 131980884), (2, 65990442), (3, 43993628), (4, 32995221), (6, 21996814), (7, 18854412), (12, 10998407), (14, 9427206), (21, 6284804), (28, 4713603), (42, 3142402), (84, 1571201)]

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