211520154

素因数分解:

$2^1\times 3^1\times {\mathrm{17}}^1\times {\mathrm{811}}^1\times {\mathrm{2557}}^1$

素因数の和:3390

約数の個数: 32

約数和(自身を含む): 448652736

約数和(自身を除く): 237132582

約数列:

[1, 2, 3, 6, 17, 34, 51, 102, 811, 1622, 2433, 2557, 4866, 5114, 7671, 13787, 15342, 27574, 41361, 43469, 82722, 86938, 130407, 260814, 2073727, 4147454, 6221181, 12442362, 35253359, 70506718, 105760077, 211520154]

約数ペア:

[(1, 211520154), (2, 105760077), (3, 70506718), (6, 35253359), (17, 12442362), (34, 6221181), (51, 4147454), (102, 2073727), (811, 260814), (1622, 130407), (2433, 86938), (2557, 82722), (4866, 43469), (5114, 41361), (7671, 27574), (13787, 15342)]