About the Number

131686488

131686487 ← → 131686489

2進数表記:111110110010110000001011000

漢数字表記:一億三千百六十八万六千四百八十八

素因数分解:

2 3 × 3 2 × 17 1 × 271 1 × 397 1

素因数の和:697
約数の個数: 96
約数和(自身を含む): 379978560
約数和(自身を除く): 248292072

約数列:
[1, 2, 3, 4, 6, 8, 9, 12, 17, 18, 24, 34, 36, 51, 68, 72, 102, 136, 153, 204, 271, 306, 397, 408, 542, 612, 794, 813, 1084, 1191, 1224, 1588, 1626, 2168, 2382, 2439, 3176, 3252, 3573, 4607, 4764, 4878, 6504, 6749, 7146, 9214, 9528, 9756, 13498, 13821, 14292, 18428, 19512, 20247, 26996, 27642, 28584, 36856, 40494, 41463, 53992, 55284, 60741, 80988, 82926, 107587, 110568, 121482, 161976, 165852, 215174, 242964, 322761, 331704, 430348, 485928, 645522, 860696, 968283, 1291044, 1828979, 1936566, 2582088, 3657958, 3873132, 5486937, 7315916, 7746264, 10973874, 14631832, 16460811, 21947748, 32921622, 43895496, 65843244, 131686488]

約数ペア:
[(1, 131686488), (2, 65843244), (3, 43895496), (4, 32921622), (6, 21947748), (8, 16460811), (9, 14631832), (12, 10973874), (17, 7746264), (18, 7315916), (24, 5486937), (34, 3873132), (36, 3657958), (51, 2582088), (68, 1936566), (72, 1828979), (102, 1291044), (136, 968283), (153, 860696), (204, 645522), (271, 485928), (306, 430348), (397, 331704), (408, 322761), (542, 242964), (612, 215174), (794, 165852), (813, 161976), (1084, 121482), (1191, 110568), (1224, 107587), (1588, 82926), (1626, 80988), (2168, 60741), (2382, 55284), (2439, 53992), (3176, 41463), (3252, 40494), (3573, 36856), (4607, 28584), (4764, 27642), (4878, 26996), (6504, 20247), (6749, 19512), (7146, 18428), (9214, 14292), (9528, 13821), (9756, 13498)]

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