81923212

素因数分解:

$2^2\times 7^1\times {\mathrm{19}}^1\times {\mathrm{153991}}^1$

素因数の和:154021

約数の個数: 24

約数和(自身を含む): 172471040

約数和(自身を除く): 90547828

約数列:

[1, 2, 4, 7, 14, 19, 28, 38, 76, 133, 266, 532, 153991, 307982, 615964, 1077937, 2155874, 2925829, 4311748, 5851658, 11703316, 20480803, 40961606, 81923212]

約数ペア:

[(1, 81923212), (2, 40961606), (4, 20480803), (7, 11703316), (14, 5851658), (19, 4311748), (28, 2925829), (38, 2155874), (76, 1077937), (133, 615964), (266, 307982), (532, 153991)]