209126888

素因数分解:

$2^3\times {\mathrm{29}}^1\times {\mathrm{43}}^1\times {\mathrm{20963}}^1$

素因数の和:21041

約数の個数: 32

約数和(自身を含む): 415087200

約数和(自身を除く): 205960312

約数列:

[1, 2, 4, 8, 29, 43, 58, 86, 116, 172, 232, 344, 1247, 2494, 4988, 9976, 20963, 41926, 83852, 167704, 607927, 901409, 1215854, 1802818, 2431708, 3605636, 4863416, 7211272, 26140861, 52281722, 104563444, 209126888]

約数ペア:

[(1, 209126888), (2, 104563444), (4, 52281722), (8, 26140861), (29, 7211272), (43, 4863416), (58, 3605636), (86, 2431708), (116, 1802818), (172, 1215854), (232, 901409), (344, 607927), (1247, 167704), (2494, 83852), (4988, 41926), (9976, 20963)]