About the Number

81965330

81965329 ← → 81965331

2進数表記:100111000101011000100010010

漢数字表記:八千百九十六万五千三百三十

素因数分解:

2 1 × 5 1 × 17 1 × 23 1 × 20963 1

素因数の和:21010
約数の個数: 32
約数和(自身を含む): 163016064
約数和(自身を除く): 81050734

約数列:
[1, 2, 5, 10, 17, 23, 34, 46, 85, 115, 170, 230, 391, 782, 1955, 3910, 20963, 41926, 104815, 209630, 356371, 482149, 712742, 964298, 1781855, 2410745, 3563710, 4821490, 8196533, 16393066, 40982665, 81965330]

約数ペア:
[(1, 81965330), (2, 40982665), (5, 16393066), (10, 8196533), (17, 4821490), (23, 3563710), (34, 2410745), (46, 1781855), (85, 964298), (115, 712742), (170, 482149), (230, 356371), (391, 209630), (782, 104815), (1955, 41926), (3910, 20963)]

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