About the Number

129402588

129402587 ← → 129402589

2進数表記:111101101101000011011011100

漢数字表記:一億二千九百四十万二千五百八十八

素因数分解:

2 2 × 3 1 × 7 1 × 647 1 × 2381 1

素因数の和:3042
約数の個数: 48
約数和(自身を含む): 345752064
約数和(自身を除く): 216349476

約数列:
[1, 2, 3, 4, 6, 7, 12, 14, 21, 28, 42, 84, 647, 1294, 1941, 2381, 2588, 3882, 4529, 4762, 7143, 7764, 9058, 9524, 13587, 14286, 16667, 18116, 27174, 28572, 33334, 50001, 54348, 66668, 100002, 200004, 1540507, 3081014, 4621521, 6162028, 9243042, 10783549, 18486084, 21567098, 32350647, 43134196, 64701294, 129402588]

約数ペア:
[(1, 129402588), (2, 64701294), (3, 43134196), (4, 32350647), (6, 21567098), (7, 18486084), (12, 10783549), (14, 9243042), (21, 6162028), (28, 4621521), (42, 3081014), (84, 1540507), (647, 200004), (1294, 100002), (1941, 66668), (2381, 54348), (2588, 50001), (3882, 33334), (4529, 28572), (4762, 27174), (7143, 18116), (7764, 16667), (9058, 14286), (9524, 13587)]

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