25431328

素因数分解:

$2^5\times {\mathrm{13}}^1\times {\mathrm{113}}^1\times {\mathrm{541}}^1$

素因数の和:677

約数の個数: 48

約数和(自身を含む): 54497016

約数和(自身を除く): 29065688

約数列:

[1, 2, 4, 8, 13, 16, 26, 32, 52, 104, 113, 208, 226, 416, 452, 541, 904, 1082, 1469, 1808, 2164, 2938, 3616, 4328, 5876, 7033, 8656, 11752, 14066, 17312, 23504, 28132, 47008, 56264, 61133, 112528, 122266, 225056, 244532, 489064, 794729, 978128, 1589458, 1956256, 3178916, 6357832, 12715664, 25431328]

約数ペア:

[(1, 25431328), (2, 12715664), (4, 6357832), (8, 3178916), (13, 1956256), (16, 1589458), (26, 978128), (32, 794729), (52, 489064), (104, 244532), (113, 225056), (208, 122266), (226, 112528), (416, 61133), (452, 56264), (541, 47008), (904, 28132), (1082, 23504), (1469, 17312), (1808, 14066), (2164, 11752), (2938, 8656), (3616, 7033), (4328, 5876)]