About the Number

11172990

11172989 ← → 11172991

2進数表記:101010100111110001111110

漢数字表記:千百十七万二千九百九十

素因数分解:

2 1 × 3 1 × 5 1 × 131 1 × 2843 1

素因数の和:2984
約数の個数: 32
約数和(自身を含む): 27029376
約数和(自身を除く): 15856386

約数列:
[1, 2, 3, 5, 6, 10, 15, 30, 131, 262, 393, 655, 786, 1310, 1965, 2843, 3930, 5686, 8529, 14215, 17058, 28430, 42645, 85290, 372433, 744866, 1117299, 1862165, 2234598, 3724330, 5586495, 11172990]

約数ペア:
[(1, 11172990), (2, 5586495), (3, 3724330), (5, 2234598), (6, 1862165), (10, 1117299), (15, 744866), (30, 372433), (131, 85290), (262, 42645), (393, 28430), (655, 17058), (786, 14215), (1310, 8529), (1965, 5686), (2843, 3930)]

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