About the Number

131213712

131213711 ← → 131213713

2進数表記:111110100100010100110010000

漢数字表記:一億三千百二十一万三千七百十二

素因数分解:

2 4 × 3 1 × 7 1 × 23 1 × 16979 1

素因数の和:17020
約数の個数: 80
約数和(自身を含む): 404259840
約数和(自身を除く): 273046128

約数列:
[1, 2, 3, 4, 6, 7, 8, 12, 14, 16, 21, 23, 24, 28, 42, 46, 48, 56, 69, 84, 92, 112, 138, 161, 168, 184, 276, 322, 336, 368, 483, 552, 644, 966, 1104, 1288, 1932, 2576, 3864, 7728, 16979, 33958, 50937, 67916, 101874, 118853, 135832, 203748, 237706, 271664, 356559, 390517, 407496, 475412, 713118, 781034, 814992, 950824, 1171551, 1426236, 1562068, 1901648, 2343102, 2733619, 2852472, 3124136, 4686204, 5467238, 5704944, 6248272, 8200857, 9372408, 10934476, 16401714, 18744816, 21868952, 32803428, 43737904, 65606856, 131213712]

約数ペア:
[(1, 131213712), (2, 65606856), (3, 43737904), (4, 32803428), (6, 21868952), (7, 18744816), (8, 16401714), (12, 10934476), (14, 9372408), (16, 8200857), (21, 6248272), (23, 5704944), (24, 5467238), (28, 4686204), (42, 3124136), (46, 2852472), (48, 2733619), (56, 2343102), (69, 1901648), (84, 1562068), (92, 1426236), (112, 1171551), (138, 950824), (161, 814992), (168, 781034), (184, 713118), (276, 475412), (322, 407496), (336, 390517), (368, 356559), (483, 271664), (552, 237706), (644, 203748), (966, 135832), (1104, 118853), (1288, 101874), (1932, 67916), (2576, 50937), (3864, 33958), (7728, 16979)]

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