About the Number

128216998

128216997 ← → 128216999

2進数表記:111101001000110111110100110

漢数字表記:一億二千八百二十一万六千九百九十八

素因数分解:

2 1 × 7 1 × 13 1 × 61 1 × 11549 1

素因数の和:11632
約数の個数: 32
約数和(自身を含む): 240609600
約数和(自身を除く): 112392602

約数列:
[1, 2, 7, 13, 14, 26, 61, 91, 122, 182, 427, 793, 854, 1586, 5551, 11102, 11549, 23098, 80843, 150137, 161686, 300274, 704489, 1050959, 1408978, 2101918, 4931423, 9158357, 9862846, 18316714, 64108499, 128216998]

約数ペア:
[(1, 128216998), (2, 64108499), (7, 18316714), (13, 9862846), (14, 9158357), (26, 4931423), (61, 2101918), (91, 1408978), (122, 1050959), (182, 704489), (427, 300274), (793, 161686), (854, 150137), (1586, 80843), (5551, 23098), (11102, 11549)]

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