About the Number

129048985

129048984 ← → 129048986

2進数表記:111101100010010000110011001

漢数字表記:一億二千九百四万八千九百八十五

素因数分解:

5 1 × 13 1 × 29 1 × 223 1 × 307 1

素因数の和:577
約数の個数: 32
約数和(自身を含む): 173859840
約数和(自身を除く): 44810855

約数列:
[1, 5, 13, 29, 65, 145, 223, 307, 377, 1115, 1535, 1885, 2899, 3991, 6467, 8903, 14495, 19955, 32335, 44515, 68461, 84071, 115739, 342305, 420355, 578695, 889993, 1985369, 4449965, 9926845, 25809797, 129048985]

約数ペア:
[(1, 129048985), (5, 25809797), (13, 9926845), (29, 4449965), (65, 1985369), (145, 889993), (223, 578695), (307, 420355), (377, 342305), (1115, 115739), (1535, 84071), (1885, 68461), (2899, 44515), (3991, 32335), (6467, 19955), (8903, 14495)]

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