25513592

素因数分解:

$2^3\times {\mathrm{13}}^2\times {\mathrm{113}}^1\times {\mathrm{167}}^1$

素因数の和:312

約数の個数: 48

約数和(自身を含む): 52572240

約数和(自身を除く): 27058648

約数列:

[1, 2, 4, 8, 13, 26, 52, 104, 113, 167, 169, 226, 334, 338, 452, 668, 676, 904, 1336, 1352, 1469, 2171, 2938, 4342, 5876, 8684, 11752, 17368, 18871, 19097, 28223, 37742, 38194, 56446, 75484, 76388, 112892, 150968, 152776, 225784, 245323, 490646, 981292, 1962584, 3189199, 6378398, 12756796, 25513592]

約数ペア:

[(1, 25513592), (2, 12756796), (4, 6378398), (8, 3189199), (13, 1962584), (26, 981292), (52, 490646), (104, 245323), (113, 225784), (167, 152776), (169, 150968), (226, 112892), (334, 76388), (338, 75484), (452, 56446), (668, 38194), (676, 37742), (904, 28223), (1336, 19097), (1352, 18871), (1469, 17368), (2171, 11752), (2938, 8684), (4342, 5876)]