159990488

素因数分解:

$2^3\times 7^2\times {\mathrm{19}}^1\times {\mathrm{21481}}^1$

素因数の和:21520

約数の個数: 48

約数和(自身を含む): 367342200

約数和(自身を除く): 207351712

約数列:

[1, 2, 4, 7, 8, 14, 19, 28, 38, 49, 56, 76, 98, 133, 152, 196, 266, 392, 532, 931, 1064, 1862, 3724, 7448, 21481, 42962, 85924, 150367, 171848, 300734, 408139, 601468, 816278, 1052569, 1202936, 1632556, 2105138, 2856973, 3265112, 4210276, 5713946, 8420552, 11427892, 19998811, 22855784, 39997622, 79995244, 159990488]

約数ペア:

[(1, 159990488), (2, 79995244), (4, 39997622), (7, 22855784), (8, 19998811), (14, 11427892), (19, 8420552), (28, 5713946), (38, 4210276), (49, 3265112), (56, 2856973), (76, 2105138), (98, 1632556), (133, 1202936), (152, 1052569), (196, 816278), (266, 601468), (392, 408139), (532, 300734), (931, 171848), (1064, 150367), (1862, 85924), (3724, 42962), (7448, 21481)]