64979884

素因数分解:

$2^2\times {\mathrm{61}}^1\times {\mathrm{251}}^1\times {\mathrm{1061}}^1$

素因数の和:1377

約数の個数: 24

約数和(自身を含む): 116148816

約数和(自身を除く): 51168932

約数列:

[1, 2, 4, 61, 122, 244, 251, 502, 1004, 1061, 2122, 4244, 15311, 30622, 61244, 64721, 129442, 258884, 266311, 532622, 1065244, 16244971, 32489942, 64979884]

約数ペア:

[(1, 64979884), (2, 32489942), (4, 16244971), (61, 1065244), (122, 532622), (244, 266311), (251, 258884), (502, 129442), (1004, 64721), (1061, 61244), (2122, 30622), (4244, 15311)]