12990642

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{73}}^1\times {\mathrm{223}}^1$

素因数の和:327

約数の個数: 64

約数和(自身を含む): 31825920

約数和(自身を除く): 18835278

約数列:

[1, 2, 3, 6, 7, 14, 19, 21, 38, 42, 57, 73, 114, 133, 146, 219, 223, 266, 399, 438, 446, 511, 669, 798, 1022, 1338, 1387, 1533, 1561, 2774, 3066, 3122, 4161, 4237, 4683, 8322, 8474, 9366, 9709, 12711, 16279, 19418, 25422, 29127, 29659, 32558, 48837, 58254, 59318, 88977, 97674, 113953, 177954, 227906, 309301, 341859, 618602, 683718, 927903, 1855806, 2165107, 4330214, 6495321, 12990642]

約数ペア:

[(1, 12990642), (2, 6495321), (3, 4330214), (6, 2165107), (7, 1855806), (14, 927903), (19, 683718), (21, 618602), (38, 341859), (42, 309301), (57, 227906), (73, 177954), (114, 113953), (133, 97674), (146, 88977), (219, 59318), (223, 58254), (266, 48837), (399, 32558), (438, 29659), (446, 29127), (511, 25422), (669, 19418), (798, 16279), (1022, 12711), (1338, 9709), (1387, 9366), (1533, 8474), (1561, 8322), (2774, 4683), (3066, 4237), (3122, 4161)]