388268896

素因数分解:

$2^5\times {\mathrm{71}}^1\times {\mathrm{73}}^1\times {\mathrm{2341}}^1$

素因数の和:2495

約数の個数: 48

約数和(自身を含む): 786125088

約数和(自身を除く): 397856192

約数列:

[1, 2, 4, 8, 16, 32, 71, 73, 142, 146, 284, 292, 568, 584, 1136, 1168, 2272, 2336, 2341, 4682, 5183, 9364, 10366, 18728, 20732, 37456, 41464, 74912, 82928, 165856, 166211, 170893, 332422, 341786, 664844, 683572, 1329688, 1367144, 2659376, 2734288, 5318752, 5468576, 12133403, 24266806, 48533612, 97067224, 194134448, 388268896]

約数ペア:

[(1, 388268896), (2, 194134448), (4, 97067224), (8, 48533612), (16, 24266806), (32, 12133403), (71, 5468576), (73, 5318752), (142, 2734288), (146, 2659376), (284, 1367144), (292, 1329688), (568, 683572), (584, 664844), (1136, 341786), (1168, 332422), (2272, 170893), (2336, 166211), (2341, 165856), (4682, 82928), (5183, 74912), (9364, 41464), (10366, 37456), (18728, 20732)]