209211728

素因数分解:

$2^4\times {\mathrm{11}}^1\times {\mathrm{419}}^1\times {\mathrm{2837}}^1$

素因数の和:3275

約数の個数: 40

約数和(自身を含む): 443409120

約数和(自身を除く): 234197392

約数列:

[1, 2, 4, 8, 11, 16, 22, 44, 88, 176, 419, 838, 1676, 2837, 3352, 4609, 5674, 6704, 9218, 11348, 18436, 22696, 31207, 36872, 45392, 62414, 73744, 124828, 249656, 499312, 1188703, 2377406, 4754812, 9509624, 13075733, 19019248, 26151466, 52302932, 104605864, 209211728]

約数ペア:

[(1, 209211728), (2, 104605864), (4, 52302932), (8, 26151466), (11, 19019248), (16, 13075733), (22, 9509624), (44, 4754812), (88, 2377406), (176, 1188703), (419, 499312), (838, 249656), (1676, 124828), (2837, 73744), (3352, 62414), (4609, 45392), (5674, 36872), (6704, 31207), (9218, 22696), (11348, 18436)]