11520978

素因数分解:

$2^1\times 3^1\times 7^2\times {\mathrm{149}}^1\times {\mathrm{263}}^1$

素因数の和:431

約数の個数: 48

約数和(自身を含む): 27086400

約数和(自身を除く): 15565422

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 49, 98, 147, 149, 263, 294, 298, 447, 526, 789, 894, 1043, 1578, 1841, 2086, 3129, 3682, 5523, 6258, 7301, 11046, 12887, 14602, 21903, 25774, 38661, 39187, 43806, 77322, 78374, 117561, 235122, 274309, 548618, 822927, 1645854, 1920163, 3840326, 5760489, 11520978]

約数ペア:

[(1, 11520978), (2, 5760489), (3, 3840326), (6, 1920163), (7, 1645854), (14, 822927), (21, 548618), (42, 274309), (49, 235122), (98, 117561), (147, 78374), (149, 77322), (263, 43806), (294, 39187), (298, 38661), (447, 25774), (526, 21903), (789, 14602), (894, 12887), (1043, 11046), (1578, 7301), (1841, 6258), (2086, 5523), (3129, 3682)]