About the Number

121131892

121131891 ← → 121131893

2進数表記:111001110000101001101110100

漢数字表記:一億二千百十三万千八百九十二

素因数分解:

2 2 × 7 1 × 23 1 × 239 1 × 787 1

素因数の和:1060
約数の個数: 48
約数和(自身を含む): 254177280
約数和(自身を除く): 133045388

約数列:
[1, 2, 4, 7, 14, 23, 28, 46, 92, 161, 239, 322, 478, 644, 787, 956, 1574, 1673, 3148, 3346, 5497, 5509, 6692, 10994, 11018, 18101, 21988, 22036, 36202, 38479, 72404, 76958, 126707, 153916, 188093, 253414, 376186, 506828, 752372, 1316651, 2633302, 4326139, 5266604, 8652278, 17304556, 30282973, 60565946, 121131892]

約数ペア:
[(1, 121131892), (2, 60565946), (4, 30282973), (7, 17304556), (14, 8652278), (23, 5266604), (28, 4326139), (46, 2633302), (92, 1316651), (161, 752372), (239, 506828), (322, 376186), (478, 253414), (644, 188093), (787, 153916), (956, 126707), (1574, 76958), (1673, 72404), (3148, 38479), (3346, 36202), (5497, 22036), (5509, 21988), (6692, 18101), (10994, 11018)]

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