About the Number

201081438

201081437 ← → 201081439

2進数表記:1011111111000100001001011110

漢数字表記:二億百八万千四百三十八

素因数分解:

2 1 × 3 2 × 31 1 × 89 1 × 4049 1

素因数の和:4177
約数の個数: 48
約数和(自身を含む): 454896000
約数和(自身を除く): 253814562

約数列:
[1, 2, 3, 6, 9, 18, 31, 62, 89, 93, 178, 186, 267, 279, 534, 558, 801, 1602, 2759, 4049, 5518, 8098, 8277, 12147, 16554, 24294, 24831, 36441, 49662, 72882, 125519, 251038, 360361, 376557, 720722, 753114, 1081083, 1129671, 2162166, 2259342, 3243249, 6486498, 11171191, 22342382, 33513573, 67027146, 100540719, 201081438]

約数ペア:
[(1, 201081438), (2, 100540719), (3, 67027146), (6, 33513573), (9, 22342382), (18, 11171191), (31, 6486498), (62, 3243249), (89, 2259342), (93, 2162166), (178, 1129671), (186, 1081083), (267, 753114), (279, 720722), (534, 376557), (558, 360361), (801, 251038), (1602, 125519), (2759, 72882), (4049, 49662), (5518, 36441), (8098, 24831), (8277, 24294), (12147, 16554)]

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