About the Number

28132321

28132320 ← → 28132322

2進数表記:1101011010100001111100001

漢数字表記:二千八百十三万二千三百二十一

素因数分解:

7 2 × 37 1 × 59 1 × 263 1

素因数の和:373
約数の個数: 24
約数和(自身を含む): 34309440
約数和(自身を除く): 6177119

約数列:
[1, 7, 37, 49, 59, 259, 263, 413, 1813, 1841, 2183, 2891, 9731, 12887, 15281, 15517, 68117, 106967, 108619, 476819, 574129, 760333, 4018903, 28132321]

約数ペア:
[(1, 28132321), (7, 4018903), (37, 760333), (49, 574129), (59, 476819), (259, 108619), (263, 106967), (413, 68117), (1813, 15517), (1841, 15281), (2183, 12887), (2891, 9731)]

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