71555288

素因数分解:

$2^3\times 7^3\times {\mathrm{89}}^1\times {\mathrm{293}}^1$

素因数の和:409

約数の個数: 64

約数和(自身を含む): 158760000

約数和(自身を除く): 87204712

約数列:

[1, 2, 4, 7, 8, 14, 28, 49, 56, 89, 98, 178, 196, 293, 343, 356, 392, 586, 623, 686, 712, 1172, 1246, 1372, 2051, 2344, 2492, 2744, 4102, 4361, 4984, 8204, 8722, 14357, 16408, 17444, 26077, 28714, 30527, 34888, 52154, 57428, 61054, 100499, 104308, 114856, 122108, 182539, 200998, 208616, 244216, 365078, 401996, 730156, 803992, 1277773, 1460312, 2555546, 5111092, 8944411, 10222184, 17888822, 35777644, 71555288]

約数ペア:

[(1, 71555288), (2, 35777644), (4, 17888822), (7, 10222184), (8, 8944411), (14, 5111092), (28, 2555546), (49, 1460312), (56, 1277773), (89, 803992), (98, 730156), (178, 401996), (196, 365078), (293, 244216), (343, 208616), (356, 200998), (392, 182539), (586, 122108), (623, 114856), (686, 104308), (712, 100499), (1172, 61054), (1246, 57428), (1372, 52154), (2051, 34888), (2344, 30527), (2492, 28714), (2744, 26077), (4102, 17444), (4361, 16408), (4984, 14357), (8204, 8722)]