About the Number

64992990

64992989 ← → 64992991

2進数表記:11110111111011011011011110

漢数字表記:六千四百九十九万二千九百九十

素因数分解:

2 1 × 3 1 × 5 1 × 163 1 × 13291 1

素因数の和:13464
約数の個数: 32
約数和(自身を含む): 156951936
約数和(自身を除く): 91958946

約数列:
[1, 2, 3, 5, 6, 10, 15, 30, 163, 326, 489, 815, 978, 1630, 2445, 4890, 13291, 26582, 39873, 66455, 79746, 132910, 199365, 398730, 2166433, 4332866, 6499299, 10832165, 12998598, 21664330, 32496495, 64992990]

約数ペア:
[(1, 64992990), (2, 32496495), (3, 21664330), (5, 12998598), (6, 10832165), (10, 6499299), (15, 4332866), (30, 2166433), (163, 398730), (326, 199365), (489, 132910), (815, 79746), (978, 66455), (1630, 39873), (2445, 26582), (4890, 13291)]

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