About the Number

28013398

28013397 ← → 28013399

2進数表記:1101010110111001101010110

漢数字表記:二千八百一万三千三百九十八

素因数分解:

2 1 × 7 2 × 31 1 × 9221 1

素因数の和:9268
約数の個数: 24
約数和(自身を含む): 50462784
約数和(自身を除く): 22449386

約数列:
[1, 2, 7, 14, 31, 49, 62, 98, 217, 434, 1519, 3038, 9221, 18442, 64547, 129094, 285851, 451829, 571702, 903658, 2000957, 4001914, 14006699, 28013398]

約数ペア:
[(1, 28013398), (2, 14006699), (7, 4001914), (14, 2000957), (31, 903658), (49, 571702), (62, 451829), (98, 285851), (217, 129094), (434, 64547), (1519, 18442), (3038, 9221)]

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