1689212

素因数分解:

$2^2\times 7^1\times {\mathrm{23}}^1\times {\mathrm{43}}^1\times {\mathrm{61}}^1$

素因数の和:138

約数の個数: 48

約数和(自身を含む): 3666432

約数和(自身を除く): 1977220

約数列:

[1, 2, 4, 7, 14, 23, 28, 43, 46, 61, 86, 92, 122, 161, 172, 244, 301, 322, 427, 602, 644, 854, 989, 1204, 1403, 1708, 1978, 2623, 2806, 3956, 5246, 5612, 6923, 9821, 10492, 13846, 18361, 19642, 27692, 36722, 39284, 60329, 73444, 120658, 241316, 422303, 844606, 1689212]

約数ペア:

[(1, 1689212), (2, 844606), (4, 422303), (7, 241316), (14, 120658), (23, 73444), (28, 60329), (43, 39284), (46, 36722), (61, 27692), (86, 19642), (92, 18361), (122, 13846), (161, 10492), (172, 9821), (244, 6923), (301, 5612), (322, 5246), (427, 3956), (602, 2806), (644, 2623), (854, 1978), (989, 1708), (1204, 1403)]