About the Number

8921090

8921089 ← → 8921091

2進数表記:100010000010000000000010

漢数字表記:八百九十二万千九十

素因数分解:

2 1 × 5 1 × 17 1 × 97 1 × 541 1

素因数の和:662
約数の個数: 32
約数和(自身を含む): 17209584
約数和(自身を除く): 8288494

約数列:
[1, 2, 5, 10, 17, 34, 85, 97, 170, 194, 485, 541, 970, 1082, 1649, 2705, 3298, 5410, 8245, 9197, 16490, 18394, 45985, 52477, 91970, 104954, 262385, 524770, 892109, 1784218, 4460545, 8921090]

約数ペア:
[(1, 8921090), (2, 4460545), (5, 1784218), (10, 892109), (17, 524770), (34, 262385), (85, 104954), (97, 91970), (170, 52477), (194, 45985), (485, 18394), (541, 16490), (970, 9197), (1082, 8245), (1649, 5410), (2705, 3298)]

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