261597156

素因数分解:

$2^2\times 3^1\times {\mathrm{17}}^1\times {\mathrm{307}}^1\times {\mathrm{4177}}^1$

素因数の和:4508

約数の個数: 48

約数和(自身を含む): 648559296

約数和(自身を除く): 386962140

約数列:

[1, 2, 3, 4, 6, 12, 17, 34, 51, 68, 102, 204, 307, 614, 921, 1228, 1842, 3684, 4177, 5219, 8354, 10438, 12531, 15657, 16708, 20876, 25062, 31314, 50124, 62628, 71009, 142018, 213027, 284036, 426054, 852108, 1282339, 2564678, 3847017, 5129356, 7694034, 15388068, 21799763, 43599526, 65399289, 87199052, 130798578, 261597156]

約数ペア:

[(1, 261597156), (2, 130798578), (3, 87199052), (4, 65399289), (6, 43599526), (12, 21799763), (17, 15388068), (34, 7694034), (51, 5129356), (68, 3847017), (102, 2564678), (204, 1282339), (307, 852108), (614, 426054), (921, 284036), (1228, 213027), (1842, 142018), (3684, 71009), (4177, 62628), (5219, 50124), (8354, 31314), (10438, 25062), (12531, 20876), (15657, 16708)]