255351616

素因数分解:

$2^6\times {\mathrm{13}}^1\times {\mathrm{306913}}^1$

素因数の和:306938

約数の個数: 28

約数和(自身を含む): 545693092

約数和(自身を除く): 290341476

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 64, 104, 208, 416, 832, 306913, 613826, 1227652, 2455304, 3989869, 4910608, 7979738, 9821216, 15959476, 19642432, 31918952, 63837904, 127675808, 255351616]

約数ペア:

[(1, 255351616), (2, 127675808), (4, 63837904), (8, 31918952), (13, 19642432), (16, 15959476), (26, 9821216), (32, 7979738), (52, 4910608), (64, 3989869), (104, 2455304), (208, 1227652), (416, 613826), (832, 306913)]