About the Number

12721392

12721391 ← → 12721393

2進数表記:110000100001110011110000

漢数字表記:千二百七十二万千三百九十二

素因数分解:

2 4 × 3 2 × 23 2 × 167 1

素因数の和:227
約数の個数: 90
約数和(自身を含む): 37440312
約数和(自身を除く): 24718920

約数列:
[1, 2, 3, 4, 6, 8, 9, 12, 16, 18, 23, 24, 36, 46, 48, 69, 72, 92, 138, 144, 167, 184, 207, 276, 334, 368, 414, 501, 529, 552, 668, 828, 1002, 1058, 1104, 1336, 1503, 1587, 1656, 2004, 2116, 2672, 3006, 3174, 3312, 3841, 4008, 4232, 4761, 6012, 6348, 7682, 8016, 8464, 9522, 11523, 12024, 12696, 15364, 19044, 23046, 24048, 25392, 30728, 34569, 38088, 46092, 61456, 69138, 76176, 88343, 92184, 138276, 176686, 184368, 265029, 276552, 353372, 530058, 553104, 706744, 795087, 1060116, 1413488, 1590174, 2120232, 3180348, 4240464, 6360696, 12721392]

約数ペア:
[(1, 12721392), (2, 6360696), (3, 4240464), (4, 3180348), (6, 2120232), (8, 1590174), (9, 1413488), (12, 1060116), (16, 795087), (18, 706744), (23, 553104), (24, 530058), (36, 353372), (46, 276552), (48, 265029), (69, 184368), (72, 176686), (92, 138276), (138, 92184), (144, 88343), (167, 76176), (184, 69138), (207, 61456), (276, 46092), (334, 38088), (368, 34569), (414, 30728), (501, 25392), (529, 24048), (552, 23046), (668, 19044), (828, 15364), (1002, 12696), (1058, 12024), (1104, 11523), (1336, 9522), (1503, 8464), (1587, 8016), (1656, 7682), (2004, 6348), (2116, 6012), (2672, 4761), (3006, 4232), (3174, 4008), (3312, 3841)]

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