About the Number

161321992

161321991 ← → 161321993

2進数表記:1001100111011001010000001000

漢数字表記:一億六千百三十二万千九百九十二

素因数分解:

2 3 × 13 2 × 119321 1

素因数の和:119353
約数の個数: 24
約数和(自身を含む): 327538890
約数和(自身を除く): 166216898

約数列:
[1, 2, 4, 8, 13, 26, 52, 104, 169, 338, 676, 1352, 119321, 238642, 477284, 954568, 1551173, 3102346, 6204692, 12409384, 20165249, 40330498, 80660996, 161321992]

約数ペア:
[(1, 161321992), (2, 80660996), (4, 40330498), (8, 20165249), (13, 12409384), (26, 6204692), (52, 3102346), (104, 1551173), (169, 954568), (338, 477284), (676, 238642), (1352, 119321)]

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