205317838

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{89}}^1\times {\mathrm{5519}}^1$

素因数の和:5640

約数の個数: 32

約数和(自身を含む): 357696000

約数和(自身を除く): 152378162

約数列:

[1, 2, 11, 19, 22, 38, 89, 178, 209, 418, 979, 1691, 1958, 3382, 5519, 11038, 18601, 37202, 60709, 104861, 121418, 209722, 491191, 982382, 1153471, 2306942, 5403101, 9332629, 10806202, 18665258, 102658919, 205317838]

約数ペア:

[(1, 205317838), (2, 102658919), (11, 18665258), (19, 10806202), (22, 9332629), (38, 5403101), (89, 2306942), (178, 1153471), (209, 982382), (418, 491191), (979, 209722), (1691, 121418), (1958, 104861), (3382, 60709), (5519, 37202), (11038, 18601)]