1813068719

素因数分解:

$7^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{223}}^1\times {\mathrm{331}}^1$

素因数の和:612

約数の個数: 48

約数和(自身を含む): 2373826560

約数和(自身を除く): 560757841

約数列:

[1, 7, 11, 29, 77, 121, 203, 223, 319, 331, 847, 1561, 2233, 2317, 2453, 3509, 3641, 6467, 9599, 17171, 24563, 25487, 26983, 40051, 45269, 67193, 71137, 73813, 105589, 188881, 280357, 497959, 516691, 739123, 782507, 811943, 1161479, 2140577, 5477549, 5683601, 8130353, 8931373, 14984039, 23546347, 62519611, 164824429, 259009817, 1813068719]

約数ペア:

[(1, 1813068719), (7, 259009817), (11, 164824429), (29, 62519611), (77, 23546347), (121, 14984039), (203, 8931373), (223, 8130353), (319, 5683601), (331, 5477549), (847, 2140577), (1561, 1161479), (2233, 811943), (2317, 782507), (2453, 739123), (3509, 516691), (3641, 497959), (6467, 280357), (9599, 188881), (17171, 105589), (24563, 73813), (25487, 71137), (26983, 67193), (40051, 45269)]