About the Number

42491988

42491987 ← → 42491989

2進数表記:10100010000110000001010100

漢数字表記:四千二百四十九万千九百八十八

素因数分解:

2 2 × 3 2 × 7 1 × 11 1 × 15329 1

素因数の和:15357
約数の個数: 72
約数和(自身を含む): 133922880
約数和(自身を除く): 91430892

約数列:
[1, 2, 3, 4, 6, 7, 9, 11, 12, 14, 18, 21, 22, 28, 33, 36, 42, 44, 63, 66, 77, 84, 99, 126, 132, 154, 198, 231, 252, 308, 396, 462, 693, 924, 1386, 2772, 15329, 30658, 45987, 61316, 91974, 107303, 137961, 168619, 183948, 214606, 275922, 321909, 337238, 429212, 505857, 551844, 643818, 674476, 965727, 1011714, 1180333, 1287636, 1517571, 1931454, 2023428, 2360666, 3035142, 3540999, 3862908, 4721332, 6070284, 7081998, 10622997, 14163996, 21245994, 42491988]

約数ペア:
[(1, 42491988), (2, 21245994), (3, 14163996), (4, 10622997), (6, 7081998), (7, 6070284), (9, 4721332), (11, 3862908), (12, 3540999), (14, 3035142), (18, 2360666), (21, 2023428), (22, 1931454), (28, 1517571), (33, 1287636), (36, 1180333), (42, 1011714), (44, 965727), (63, 674476), (66, 643818), (77, 551844), (84, 505857), (99, 429212), (126, 337238), (132, 321909), (154, 275922), (198, 214606), (231, 183948), (252, 168619), (308, 137961), (396, 107303), (462, 91974), (693, 61316), (924, 45987), (1386, 30658), (2772, 15329)]

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