478686

素因数分解:

$2^1\times 3^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{19}}^2$

素因数の和:73

約数の個数: 48

約数和(自身を含む): 1152144

約数和(自身を除く): 673458

約数列:

[1, 2, 3, 6, 13, 17, 19, 26, 34, 38, 39, 51, 57, 78, 102, 114, 221, 247, 323, 361, 442, 494, 646, 663, 722, 741, 969, 1083, 1326, 1482, 1938, 2166, 4199, 4693, 6137, 8398, 9386, 12274, 12597, 14079, 18411, 25194, 28158, 36822, 79781, 159562, 239343, 478686]

約数ペア:

[(1, 478686), (2, 239343), (3, 159562), (6, 79781), (13, 36822), (17, 28158), (19, 25194), (26, 18411), (34, 14079), (38, 12597), (39, 12274), (51, 9386), (57, 8398), (78, 6137), (102, 4693), (114, 4199), (221, 2166), (247, 1938), (323, 1482), (361, 1326), (442, 1083), (494, 969), (646, 741), (663, 722)]