207979772

素因数分解:

$2^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{127}}^1\times {\mathrm{409}}^1$

素因数の和:571

約数の個数: 96

約数和(自身を含む): 493731840

約数和(自身を除く): 285752068

約数列:

[1, 2, 4, 7, 11, 13, 14, 22, 26, 28, 44, 52, 77, 91, 127, 143, 154, 182, 254, 286, 308, 364, 409, 508, 572, 818, 889, 1001, 1397, 1636, 1651, 1778, 2002, 2794, 2863, 3302, 3556, 4004, 4499, 5317, 5588, 5726, 6604, 8998, 9779, 10634, 11452, 11557, 17996, 18161, 19558, 21268, 23114, 31493, 36322, 37219, 39116, 46228, 51943, 58487, 62986, 72644, 74438, 103886, 116974, 125972, 127127, 148876, 207772, 233948, 254254, 363601, 409409, 508508, 571373, 675259, 727202, 818818, 1142746, 1350518, 1454404, 1637636, 2285492, 2701036, 3999611, 4726813, 7427849, 7999222, 9453626, 14855698, 15998444, 18907252, 29711396, 51994943, 103989886, 207979772]

約数ペア:

[(1, 207979772), (2, 103989886), (4, 51994943), (7, 29711396), (11, 18907252), (13, 15998444), (14, 14855698), (22, 9453626), (26, 7999222), (28, 7427849), (44, 4726813), (52, 3999611), (77, 2701036), (91, 2285492), (127, 1637636), (143, 1454404), (154, 1350518), (182, 1142746), (254, 818818), (286, 727202), (308, 675259), (364, 571373), (409, 508508), (508, 409409), (572, 363601), (818, 254254), (889, 233948), (1001, 207772), (1397, 148876), (1636, 127127), (1651, 125972), (1778, 116974), (2002, 103886), (2794, 74438), (2863, 72644), (3302, 62986), (3556, 58487), (4004, 51943), (4499, 46228), (5317, 39116), (5588, 37219), (5726, 36322), (6604, 31493), (8998, 23114), (9779, 21268), (10634, 19558), (11452, 18161), (11557, 17996)]