About the Number

12973345

12973344 ← → 12973346

2進数表記:110001011111010100100001

漢数字表記:千二百九十七万三千三百四十五

素因数分解:

5 1 × 7 1 × 11 1 × 31 1 × 1087 1

素因数の和:1141
約数の個数: 32
約数和(自身を含む): 20054016
約数和(自身を除く): 7080671

約数列:
[1, 5, 7, 11, 31, 35, 55, 77, 155, 217, 341, 385, 1085, 1087, 1705, 2387, 5435, 7609, 11935, 11957, 33697, 38045, 59785, 83699, 168485, 235879, 370667, 418495, 1179395, 1853335, 2594669, 12973345]

約数ペア:
[(1, 12973345), (5, 2594669), (7, 1853335), (11, 1179395), (31, 418495), (35, 370667), (55, 235879), (77, 168485), (155, 83699), (217, 59785), (341, 38045), (385, 33697), (1085, 11957), (1087, 11935), (1705, 7609), (2387, 5435)]

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