About the Number

128973425

128973424 ← → 128973426

2進数表記:111101011111111101001110001

漢数字表記:一億二千八百九十七万三千四百二十五

素因数分解:

5 2 × 7 1 × 19 1 × 79 1 × 491 1

素因数の和:606
約数の個数: 48
約数和(自身を含む): 195225600
約数和(自身を除く): 66252175

約数列:
[1, 5, 7, 19, 25, 35, 79, 95, 133, 175, 395, 475, 491, 553, 665, 1501, 1975, 2455, 2765, 3325, 3437, 7505, 9329, 10507, 12275, 13825, 17185, 37525, 38789, 46645, 52535, 65303, 85925, 193945, 233225, 262675, 271523, 326515, 736991, 969725, 1357615, 1632575, 3684955, 5158937, 6788075, 18424775, 25794685, 128973425]

約数ペア:
[(1, 128973425), (5, 25794685), (7, 18424775), (19, 6788075), (25, 5158937), (35, 3684955), (79, 1632575), (95, 1357615), (133, 969725), (175, 736991), (395, 326515), (475, 271523), (491, 262675), (553, 233225), (665, 193945), (1501, 85925), (1975, 65303), (2455, 52535), (2765, 46645), (3325, 38789), (3437, 37525), (7505, 17185), (9329, 13825), (10507, 12275)]

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