About the Number

201048405

201048404 ← → 201048406

2進数表記:1011111110111100000101010101

漢数字表記:二億百四万八千四百五

素因数分解:

3 1 × 5 1 × 19 1 × 23 1 × 30671 1

素因数の和:30721
約数の個数: 32
約数和(自身を含む): 353341440
約数和(自身を除く): 152293035

約数列:
[1, 3, 5, 15, 19, 23, 57, 69, 95, 115, 285, 345, 437, 1311, 2185, 6555, 30671, 92013, 153355, 460065, 582749, 705433, 1748247, 2116299, 2913745, 3527165, 8741235, 10581495, 13403227, 40209681, 67016135, 201048405]

約数ペア:
[(1, 201048405), (3, 67016135), (5, 40209681), (15, 13403227), (19, 10581495), (23, 8741235), (57, 3527165), (69, 2913745), (95, 2116299), (115, 1748247), (285, 705433), (345, 582749), (437, 460065), (1311, 153355), (2185, 92013), (6555, 30671)]

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