220163418

素因数分解:

$2^1\times 3^2\times {\mathrm{29}}^1\times {\mathrm{491}}^1\times {\mathrm{859}}^1$

素因数の和:1387

約数の個数: 48

約数和(自身を含む): 495050400

約数和(自身を除く): 274886982

約数列:

[1, 2, 3, 6, 9, 18, 29, 58, 87, 174, 261, 491, 522, 859, 982, 1473, 1718, 2577, 2946, 4419, 5154, 7731, 8838, 14239, 15462, 24911, 28478, 42717, 49822, 74733, 85434, 128151, 149466, 224199, 256302, 421769, 448398, 843538, 1265307, 2530614, 3795921, 7591842, 12231301, 24462602, 36693903, 73387806, 110081709, 220163418]

約数ペア:

[(1, 220163418), (2, 110081709), (3, 73387806), (6, 36693903), (9, 24462602), (18, 12231301), (29, 7591842), (58, 3795921), (87, 2530614), (174, 1265307), (261, 843538), (491, 448398), (522, 421769), (859, 256302), (982, 224199), (1473, 149466), (1718, 128151), (2577, 85434), (2946, 74733), (4419, 49822), (5154, 42717), (7731, 28478), (8838, 24911), (14239, 15462)]