620123394

素因数分解:

$2^1\times 3^1\times {\mathrm{11}}^1\times {\mathrm{59}}^1\times {\mathrm{163}}^1\times {\mathrm{977}}^1$

素因数の和:1215

約数の個数: 64

約数和(自身を含む): 1385786880

約数和(自身を除く): 765663486

約数列:

[1, 2, 3, 6, 11, 22, 33, 59, 66, 118, 163, 177, 326, 354, 489, 649, 977, 978, 1298, 1793, 1947, 1954, 2931, 3586, 3894, 5379, 5862, 9617, 10747, 10758, 19234, 21494, 28851, 32241, 57643, 57702, 64482, 105787, 115286, 159251, 172929, 211574, 317361, 318502, 345858, 477753, 634073, 634722, 955506, 1268146, 1751761, 1902219, 3503522, 3804438, 5255283, 9395809, 10510566, 18791618, 28187427, 56374854, 103353899, 206707798, 310061697, 620123394]

約数ペア:

[(1, 620123394), (2, 310061697), (3, 206707798), (6, 103353899), (11, 56374854), (22, 28187427), (33, 18791618), (59, 10510566), (66, 9395809), (118, 5255283), (163, 3804438), (177, 3503522), (326, 1902219), (354, 1751761), (489, 1268146), (649, 955506), (977, 634722), (978, 634073), (1298, 477753), (1793, 345858), (1947, 318502), (1954, 317361), (2931, 211574), (3586, 172929), (3894, 159251), (5379, 115286), (5862, 105787), (9617, 64482), (10747, 57702), (10758, 57643), (19234, 32241), (21494, 28851)]