181997998

素因数分解:

$2^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{52631}}^1$

素因数の和:52672

約数の個数: 32

約数和(自身を含む): 353687040

約数和(自身を除く): 171689042

約数列:

[1, 2, 7, 13, 14, 19, 26, 38, 91, 133, 182, 247, 266, 494, 1729, 3458, 52631, 105262, 368417, 684203, 736834, 999989, 1368406, 1999978, 4789421, 6999923, 9578842, 12999857, 13999846, 25999714, 90998999, 181997998]

約数ペア:

[(1, 181997998), (2, 90998999), (7, 25999714), (13, 13999846), (14, 12999857), (19, 9578842), (26, 6999923), (38, 4789421), (91, 1999978), (133, 1368406), (182, 999989), (247, 736834), (266, 684203), (494, 368417), (1729, 105262), (3458, 52631)]