25549912

素因数分解:

$2^3\times {\mathrm{17}}^2\times {\mathrm{43}}^1\times {\mathrm{257}}^1$

素因数の和:340

約数の個数: 48

約数和(自身を含む): 52275960

約数和(自身を除く): 26726048

約数列:

[1, 2, 4, 8, 17, 34, 43, 68, 86, 136, 172, 257, 289, 344, 514, 578, 731, 1028, 1156, 1462, 2056, 2312, 2924, 4369, 5848, 8738, 11051, 12427, 17476, 22102, 24854, 34952, 44204, 49708, 74273, 88408, 99416, 148546, 187867, 297092, 375734, 594184, 751468, 1502936, 3193739, 6387478, 12774956, 25549912]

約数ペア:

[(1, 25549912), (2, 12774956), (4, 6387478), (8, 3193739), (17, 1502936), (34, 751468), (43, 594184), (68, 375734), (86, 297092), (136, 187867), (172, 148546), (257, 99416), (289, 88408), (344, 74273), (514, 49708), (578, 44204), (731, 34952), (1028, 24854), (1156, 22102), (1462, 17476), (2056, 12427), (2312, 11051), (2924, 8738), (4369, 5848)]