201393985

素因数分解:

$5^1\times {\mathrm{13}}^1\times {\mathrm{17}}^2\times {\mathrm{71}}^1\times {\mathrm{151}}^1$

素因数の和:274

約数の個数: 48

約数和(自身を含む): 282223872

約数和(自身を除く): 80829887

約数列:

[1, 5, 13, 17, 65, 71, 85, 151, 221, 289, 355, 755, 923, 1105, 1207, 1445, 1963, 2567, 3757, 4615, 6035, 9815, 10721, 12835, 15691, 18785, 20519, 33371, 43639, 53605, 78455, 102595, 139373, 166855, 182257, 218195, 266747, 567307, 696865, 911285, 1333735, 2369341, 2836535, 3098369, 11846705, 15491845, 40278797, 201393985]

約数ペア:

[(1, 201393985), (5, 40278797), (13, 15491845), (17, 11846705), (65, 3098369), (71, 2836535), (85, 2369341), (151, 1333735), (221, 911285), (289, 696865), (355, 567307), (755, 266747), (923, 218195), (1105, 182257), (1207, 166855), (1445, 139373), (1963, 102595), (2567, 78455), (3757, 53605), (4615, 43639), (6035, 33371), (9815, 20519), (10721, 18785), (12835, 15691)]