218328748

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{89}}^1\times {\mathrm{127}}^1\times {\mathrm{439}}^1$

素因数の和:670

約数の個数: 48

約数和(自身を含む): 425779200

約数和(自身を除く): 207450452

約数列:

[1, 2, 4, 11, 22, 44, 89, 127, 178, 254, 356, 439, 508, 878, 979, 1397, 1756, 1958, 2794, 3916, 4829, 5588, 9658, 11303, 19316, 22606, 39071, 45212, 55753, 78142, 111506, 124333, 156284, 223012, 248666, 429781, 497332, 613283, 859562, 1226566, 1719124, 2453132, 4962017, 9924034, 19848068, 54582187, 109164374, 218328748]

約数ペア:

[(1, 218328748), (2, 109164374), (4, 54582187), (11, 19848068), (22, 9924034), (44, 4962017), (89, 2453132), (127, 1719124), (178, 1226566), (254, 859562), (356, 613283), (439, 497332), (508, 429781), (878, 248666), (979, 223012), (1397, 156284), (1756, 124333), (1958, 111506), (2794, 78142), (3916, 55753), (4829, 45212), (5588, 39071), (9658, 22606), (11303, 19316)]