561491994

素因数分解:

$2^1\times 3^1\times 7^1\times {\mathrm{1663}}^1\times {\mathrm{8039}}^1$

素因数の和:9714

約数の個数: 32

約数和(自身を含む): 1284341760

約数和(自身を除く): 722849766

約数列:

[1, 2, 3, 6, 7, 14, 21, 42, 1663, 3326, 4989, 8039, 9978, 11641, 16078, 23282, 24117, 34923, 48234, 56273, 69846, 112546, 168819, 337638, 13368857, 26737714, 40106571, 80213142, 93581999, 187163998, 280745997, 561491994]

約数ペア:

[(1, 561491994), (2, 280745997), (3, 187163998), (6, 93581999), (7, 80213142), (14, 40106571), (21, 26737714), (42, 13368857), (1663, 337638), (3326, 168819), (4989, 112546), (8039, 69846), (9978, 56273), (11641, 48234), (16078, 34923), (23282, 24117)]