25654768

素因数分解:

$2^4\times {\mathrm{17}}^1\times {\mathrm{257}}^1\times {\mathrm{367}}^1$

素因数の和:649

約数の個数: 40

約数和(自身を含む): 52978752

約数和(自身を除く): 27323984

約数列:

[1, 2, 4, 8, 16, 17, 34, 68, 136, 257, 272, 367, 514, 734, 1028, 1468, 2056, 2936, 4112, 4369, 5872, 6239, 8738, 12478, 17476, 24956, 34952, 49912, 69904, 94319, 99824, 188638, 377276, 754552, 1509104, 1603423, 3206846, 6413692, 12827384, 25654768]

約数ペア:

[(1, 25654768), (2, 12827384), (4, 6413692), (8, 3206846), (16, 1603423), (17, 1509104), (34, 754552), (68, 377276), (136, 188638), (257, 99824), (272, 94319), (367, 69904), (514, 49912), (734, 34952), (1028, 24956), (1468, 17476), (2056, 12478), (2936, 8738), (4112, 6239), (4369, 5872)]