About the Number

81301428

81301427 ← → 81301429

2進数表記:100110110001000111110110100

漢数字表記:八千百三十万千四百二十八

素因数分解:

2 2 × 3 3 × 13 1 × 79 1 × 733 1

素因数の和:838
約数の個数: 96
約数和(自身を含む): 230182400
約数和(自身を除く): 148880972

約数列:
[1, 2, 3, 4, 6, 9, 12, 13, 18, 26, 27, 36, 39, 52, 54, 78, 79, 108, 117, 156, 158, 234, 237, 316, 351, 468, 474, 702, 711, 733, 948, 1027, 1404, 1422, 1466, 2054, 2133, 2199, 2844, 2932, 3081, 4108, 4266, 4398, 6162, 6597, 8532, 8796, 9243, 9529, 12324, 13194, 18486, 19058, 19791, 26388, 27729, 28587, 36972, 38116, 39582, 55458, 57174, 57907, 79164, 85761, 110916, 114348, 115814, 171522, 173721, 231628, 257283, 343044, 347442, 514566, 521163, 694884, 752791, 1029132, 1042326, 1505582, 1563489, 2084652, 2258373, 3011164, 3126978, 4516746, 6253956, 6775119, 9033492, 13550238, 20325357, 27100476, 40650714, 81301428]

約数ペア:
[(1, 81301428), (2, 40650714), (3, 27100476), (4, 20325357), (6, 13550238), (9, 9033492), (12, 6775119), (13, 6253956), (18, 4516746), (26, 3126978), (27, 3011164), (36, 2258373), (39, 2084652), (52, 1563489), (54, 1505582), (78, 1042326), (79, 1029132), (108, 752791), (117, 694884), (156, 521163), (158, 514566), (234, 347442), (237, 343044), (316, 257283), (351, 231628), (468, 173721), (474, 171522), (702, 115814), (711, 114348), (733, 110916), (948, 85761), (1027, 79164), (1404, 57907), (1422, 57174), (1466, 55458), (2054, 39582), (2133, 38116), (2199, 36972), (2844, 28587), (2932, 27729), (3081, 26388), (4108, 19791), (4266, 19058), (4398, 18486), (6162, 13194), (6597, 12324), (8532, 9529), (8796, 9243)]

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