81457278

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{983}}^1\times {\mathrm{1973}}^1$

素因数の和:2968

約数の個数: 32

約数和(自身を含む): 186471936

約数和(自身を除く): 105014658

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 983, 1966, 1973, 2949, 3946, 5898, 5919, 6881, 11838, 13762, 13811, 20643, 27622, 41286, 41433, 82866, 1939459, 3878918, 5818377, 11636754, 13576213, 27152426, 40728639, 81457278]

約数ペア:

[(1, 81457278), (2, 40728639), (3, 27152426), (6, 13576213), (7, 11636754), (14, 5818377), (21, 3878918), (42, 1939459), (983, 82866), (1966, 41433), (1973, 41286), (2949, 27622), (3946, 20643), (5898, 13811), (5919, 13762), (6881, 11838)]