1981529374

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{73}}^1\times {\mathrm{647}}^1\times {\mathrm{1907}}^1$

素因数の和:2640

約数の個数: 32

約数和(自身を含む): 3293726976

約数和(自身を除く): 1312197602

約数列:

[1, 2, 11, 22, 73, 146, 647, 803, 1294, 1606, 1907, 3814, 7117, 14234, 20977, 41954, 47231, 94462, 139211, 278422, 519541, 1039082, 1233829, 1531321, 2467658, 3062642, 13572119, 27144238, 90069517, 180139034, 990764687, 1981529374]

約数ペア:

[(1, 1981529374), (2, 990764687), (11, 180139034), (22, 90069517), (73, 27144238), (146, 13572119), (647, 3062642), (803, 2467658), (1294, 1531321), (1606, 1233829), (1907, 1039082), (3814, 519541), (7117, 278422), (14234, 139211), (20977, 94462), (41954, 47231)]