40815486

素因数分解:

$2^1\times 3^2\times {\mathrm{71}}^1\times {\mathrm{109}}^1\times {\mathrm{293}}^1$

素因数の和:481

約数の個数: 48

約数和(自身を含む): 90810720

約数和(自身を除く): 49995234

約数列:

[1, 2, 3, 6, 9, 18, 71, 109, 142, 213, 218, 293, 327, 426, 586, 639, 654, 879, 981, 1278, 1758, 1962, 2637, 5274, 7739, 15478, 20803, 23217, 31937, 41606, 46434, 62409, 63874, 69651, 95811, 124818, 139302, 187227, 191622, 287433, 374454, 574866, 2267527, 4535054, 6802581, 13605162, 20407743, 40815486]

約数ペア:

[(1, 40815486), (2, 20407743), (3, 13605162), (6, 6802581), (9, 4535054), (18, 2267527), (71, 574866), (109, 374454), (142, 287433), (213, 191622), (218, 187227), (293, 139302), (327, 124818), (426, 95811), (586, 69651), (639, 63874), (654, 62409), (879, 46434), (981, 41606), (1278, 31937), (1758, 23217), (1962, 20803), (2637, 15478), (5274, 7739)]