About the Number

131107890

131107889 ← → 131107891

2進数表記:111110100001000110000110010

漢数字表記:一億三千百十万七千八百九十

素因数分解:

2 1 × 3 1 × 5 1 × 71 1 × 61553 1

素因数の和:61634
約数の個数: 32
約数和(自身を含む): 319095936
約数和(自身を除く): 187988046

約数列:
[1, 2, 3, 5, 6, 10, 15, 30, 71, 142, 213, 355, 426, 710, 1065, 2130, 61553, 123106, 184659, 307765, 369318, 615530, 923295, 1846590, 4370263, 8740526, 13110789, 21851315, 26221578, 43702630, 65553945, 131107890]

約数ペア:
[(1, 131107890), (2, 65553945), (3, 43702630), (5, 26221578), (6, 21851315), (10, 13110789), (15, 8740526), (30, 4370263), (71, 1846590), (142, 923295), (213, 615530), (355, 369318), (426, 307765), (710, 184659), (1065, 123106), (2130, 61553)]

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