About the Number

27888960984

27888960983 ← → 27888960985

2進数表記:11001111110010011111100010111011000

漢数字表記:二百七十八億八千八百九十六万九百八十四

素因数分解:

2 3 × 3 1 × 43 1 × 397 1 × 68071 1

素因数の和:68520
約数の個数: 64
約数和(自身を含む): 71524611840
約数和(自身を除く): 43635650856

約数列:
[1, 2, 3, 4, 6, 8, 12, 24, 43, 86, 129, 172, 258, 344, 397, 516, 794, 1032, 1191, 1588, 2382, 3176, 4764, 9528, 17071, 34142, 51213, 68071, 68284, 102426, 136142, 136568, 204213, 204852, 272284, 408426, 409704, 544568, 816852, 1633704, 2927053, 5854106, 8781159, 11708212, 17562318, 23416424, 27024187, 35124636, 54048374, 70249272, 81072561, 108096748, 162145122, 216193496, 324290244, 648580488, 1162040041, 2324080082, 3486120123, 4648160164, 6972240246, 9296320328, 13944480492, 27888960984]

約数ペア:
[(1, 27888960984), (2, 13944480492), (3, 9296320328), (4, 6972240246), (6, 4648160164), (8, 3486120123), (12, 2324080082), (24, 1162040041), (43, 648580488), (86, 324290244), (129, 216193496), (172, 162145122), (258, 108096748), (344, 81072561), (397, 70249272), (516, 54048374), (794, 35124636), (1032, 27024187), (1191, 23416424), (1588, 17562318), (2382, 11708212), (3176, 8781159), (4764, 5854106), (9528, 2927053), (17071, 1633704), (34142, 816852), (51213, 544568), (68071, 409704), (68284, 408426), (102426, 272284), (136142, 204852), (136568, 204213)]

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