397003816

素因数分解:

$2^3\times {\mathrm{11}}^1\times {\mathrm{503}}^1\times {\mathrm{8969}}^1$

素因数の和:9489

約数の個数: 32

約数和(自身を含む): 813758400

約数和(自身を除く): 416754584

約数列:

[1, 2, 4, 8, 11, 22, 44, 88, 503, 1006, 2012, 4024, 5533, 8969, 11066, 17938, 22132, 35876, 44264, 71752, 98659, 197318, 394636, 789272, 4511407, 9022814, 18045628, 36091256, 49625477, 99250954, 198501908, 397003816]

約数ペア:

[(1, 397003816), (2, 198501908), (4, 99250954), (8, 49625477), (11, 36091256), (22, 18045628), (44, 9022814), (88, 4511407), (503, 789272), (1006, 394636), (2012, 197318), (4024, 98659), (5533, 71752), (8969, 44264), (11066, 35876), (17938, 22132)]