290017818

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{257}}^1\times {\mathrm{883}}^1$

素因数の和:1219

約数の個数: 48

約数和(自身を含む): 640426176

約数和(自身を除く): 350408358

約数列:

[1, 2, 3, 6, 9, 18, 71, 142, 213, 257, 426, 514, 639, 771, 883, 1278, 1542, 1766, 2313, 2649, 4626, 5298, 7947, 15894, 18247, 36494, 54741, 62693, 109482, 125386, 164223, 188079, 226931, 328446, 376158, 453862, 564237, 680793, 1128474, 1361586, 2042379, 4084758, 16112101, 32224202, 48336303, 96672606, 145008909, 290017818]

約数ペア:

[(1, 290017818), (2, 145008909), (3, 96672606), (6, 48336303), (9, 32224202), (18, 16112101), (71, 4084758), (142, 2042379), (213, 1361586), (257, 1128474), (426, 680793), (514, 564237), (639, 453862), (771, 376158), (883, 328446), (1278, 226931), (1542, 188079), (1766, 164223), (2313, 125386), (2649, 109482), (4626, 62693), (5298, 54741), (7947, 36494), (15894, 18247)]