8321418

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{211}}^1\times {\mathrm{313}}^1$

素因数の和:539

約数の個数: 48

約数和(自身を含む): 20769216

約数和(自身を除く): 12447798

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 211, 313, 422, 626, 633, 939, 1266, 1477, 1878, 1899, 2191, 2817, 2954, 3798, 4382, 4431, 5634, 6573, 8862, 13146, 13293, 19719, 26586, 39438, 66043, 132086, 198129, 396258, 462301, 594387, 924602, 1188774, 1386903, 2773806, 4160709, 8321418]

約数ペア:

[(1, 8321418), (2, 4160709), (3, 2773806), (6, 1386903), (7, 1188774), (9, 924602), (14, 594387), (18, 462301), (21, 396258), (42, 198129), (63, 132086), (126, 66043), (211, 39438), (313, 26586), (422, 19719), (626, 13293), (633, 13146), (939, 8862), (1266, 6573), (1477, 5634), (1878, 4431), (1899, 4382), (2191, 3798), (2817, 2954)]