About the Number

81442872

81442871 ← → 81442873

2進数表記:100110110101011100000111000

漢数字表記:八千百四十四万二千八百七十二

素因数分解:

2 3 × 3 2 × 7 1 × 283 1 × 571 1

素因数の和:873
約数の個数: 96
約数和(自身を含む): 253418880
約数和(自身を除く): 171976008

約数列:
[1, 2, 3, 4, 6, 7, 8, 9, 12, 14, 18, 21, 24, 28, 36, 42, 56, 63, 72, 84, 126, 168, 252, 283, 504, 566, 571, 849, 1132, 1142, 1698, 1713, 1981, 2264, 2284, 2547, 3396, 3426, 3962, 3997, 4568, 5094, 5139, 5943, 6792, 6852, 7924, 7994, 10188, 10278, 11886, 11991, 13704, 15848, 15988, 17829, 20376, 20556, 23772, 23982, 31976, 35658, 35973, 41112, 47544, 47964, 71316, 71946, 95928, 142632, 143892, 161593, 287784, 323186, 484779, 646372, 969558, 1131151, 1292744, 1454337, 1939116, 2262302, 2908674, 3393453, 3878232, 4524604, 5817348, 6786906, 9049208, 10180359, 11634696, 13573812, 20360718, 27147624, 40721436, 81442872]

約数ペア:
[(1, 81442872), (2, 40721436), (3, 27147624), (4, 20360718), (6, 13573812), (7, 11634696), (8, 10180359), (9, 9049208), (12, 6786906), (14, 5817348), (18, 4524604), (21, 3878232), (24, 3393453), (28, 2908674), (36, 2262302), (42, 1939116), (56, 1454337), (63, 1292744), (72, 1131151), (84, 969558), (126, 646372), (168, 484779), (252, 323186), (283, 287784), (504, 161593), (566, 143892), (571, 142632), (849, 95928), (1132, 71946), (1142, 71316), (1698, 47964), (1713, 47544), (1981, 41112), (2264, 35973), (2284, 35658), (2547, 31976), (3396, 23982), (3426, 23772), (3962, 20556), (3997, 20376), (4568, 17829), (5094, 15988), (5139, 15848), (5943, 13704), (6792, 11991), (6852, 11886), (7924, 10278), (7994, 10188)]

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