80974276

素因数分解:

$2^2\times {\mathrm{19}}^1\times {\mathrm{643}}^1\times {\mathrm{1657}}^1$

素因数の和:2323

約数の個数: 24

約数和(自身を含む): 149485280

約数和(自身を除く): 68511004

約数列:

[1, 2, 4, 19, 38, 76, 643, 1286, 1657, 2572, 3314, 6628, 12217, 24434, 31483, 48868, 62966, 125932, 1065451, 2130902, 4261804, 20243569, 40487138, 80974276]

約数ペア:

[(1, 80974276), (2, 40487138), (4, 20243569), (19, 4261804), (38, 2130902), (76, 1065451), (643, 125932), (1286, 62966), (1657, 48868), (2572, 31483), (3314, 24434), (6628, 12217)]