25647568

素因数分解:

$2^4\times {\mathrm{19}}^1\times {\mathrm{239}}^1\times {\mathrm{353}}^1$

素因数の和:619

約数の個数: 40

約数和(自身を含む): 52675200

約数和(自身を除く): 27027632

約数列:

[1, 2, 4, 8, 16, 19, 38, 76, 152, 239, 304, 353, 478, 706, 956, 1412, 1912, 2824, 3824, 4541, 5648, 6707, 9082, 13414, 18164, 26828, 36328, 53656, 72656, 84367, 107312, 168734, 337468, 674936, 1349872, 1602973, 3205946, 6411892, 12823784, 25647568]

約数ペア:

[(1, 25647568), (2, 12823784), (4, 6411892), (8, 3205946), (16, 1602973), (19, 1349872), (38, 674936), (76, 337468), (152, 168734), (239, 107312), (304, 84367), (353, 72656), (478, 53656), (706, 36328), (956, 26828), (1412, 18164), (1912, 13414), (2824, 9082), (3824, 6707), (4541, 5648)]