About the Number

81008304

81008303 ← → 81008305

2進数表記:100110101000001011010110000

漢数字表記:八千百万八千三百四

素因数分解:

2 4 × 3 1 × 13 1 × 131 1 × 991 1

素因数の和:1146
約数の個数: 80
約数和(自身を含む): 227318784
約数和(自身を除く): 146310480

約数列:
[1, 2, 3, 4, 6, 8, 12, 13, 16, 24, 26, 39, 48, 52, 78, 104, 131, 156, 208, 262, 312, 393, 524, 624, 786, 991, 1048, 1572, 1703, 1982, 2096, 2973, 3144, 3406, 3964, 5109, 5946, 6288, 6812, 7928, 10218, 11892, 12883, 13624, 15856, 20436, 23784, 25766, 27248, 38649, 40872, 47568, 51532, 77298, 81744, 103064, 129821, 154596, 206128, 259642, 309192, 389463, 519284, 618384, 778926, 1038568, 1557852, 1687673, 2077136, 3115704, 3375346, 5063019, 6231408, 6750692, 10126038, 13501384, 20252076, 27002768, 40504152, 81008304]

約数ペア:
[(1, 81008304), (2, 40504152), (3, 27002768), (4, 20252076), (6, 13501384), (8, 10126038), (12, 6750692), (13, 6231408), (16, 5063019), (24, 3375346), (26, 3115704), (39, 2077136), (48, 1687673), (52, 1557852), (78, 1038568), (104, 778926), (131, 618384), (156, 519284), (208, 389463), (262, 309192), (312, 259642), (393, 206128), (524, 154596), (624, 129821), (786, 103064), (991, 81744), (1048, 77298), (1572, 51532), (1703, 47568), (1982, 40872), (2096, 38649), (2973, 27248), (3144, 25766), (3406, 23784), (3964, 20436), (5109, 15856), (5946, 13624), (6288, 12883), (6812, 11892), (7928, 10218)]

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