About the Number

131621808

131621807 ← → 131621809

2進数表記:111110110000110001110110000

漢数字表記:一億三千百六十二万千八百八

素因数分解:

2 4 × 3 1 × 41 1 × 47 1 × 1423 1

素因数の和:1522
約数の個数: 80
約数和(自身を含む): 355977216
約数和(自身を除く): 224355408

約数列:
[1, 2, 3, 4, 6, 8, 12, 16, 24, 41, 47, 48, 82, 94, 123, 141, 164, 188, 246, 282, 328, 376, 492, 564, 656, 752, 984, 1128, 1423, 1927, 1968, 2256, 2846, 3854, 4269, 5692, 5781, 7708, 8538, 11384, 11562, 15416, 17076, 22768, 23124, 30832, 34152, 46248, 58343, 66881, 68304, 92496, 116686, 133762, 175029, 200643, 233372, 267524, 350058, 401286, 466744, 535048, 700116, 802572, 933488, 1070096, 1400232, 1605144, 2742121, 2800464, 3210288, 5484242, 8226363, 10968484, 16452726, 21936968, 32905452, 43873936, 65810904, 131621808]

約数ペア:
[(1, 131621808), (2, 65810904), (3, 43873936), (4, 32905452), (6, 21936968), (8, 16452726), (12, 10968484), (16, 8226363), (24, 5484242), (41, 3210288), (47, 2800464), (48, 2742121), (82, 1605144), (94, 1400232), (123, 1070096), (141, 933488), (164, 802572), (188, 700116), (246, 535048), (282, 466744), (328, 401286), (376, 350058), (492, 267524), (564, 233372), (656, 200643), (752, 175029), (984, 133762), (1128, 116686), (1423, 92496), (1927, 68304), (1968, 66881), (2256, 58343), (2846, 46248), (3854, 34152), (4269, 30832), (5692, 23124), (5781, 22768), (7708, 17076), (8538, 15416), (11384, 11562)]

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