25815136

素因数分解:

$2^5\times {\mathrm{43}}^1\times {\mathrm{73}}^1\times {\mathrm{257}}^1$

素因数の和:383

約数の個数: 48

約数和(自身を含む): 52923024

約数和(自身を除く): 27107888

約数列:

[1, 2, 4, 8, 16, 32, 43, 73, 86, 146, 172, 257, 292, 344, 514, 584, 688, 1028, 1168, 1376, 2056, 2336, 3139, 4112, 6278, 8224, 11051, 12556, 18761, 22102, 25112, 37522, 44204, 50224, 75044, 88408, 100448, 150088, 176816, 300176, 353632, 600352, 806723, 1613446, 3226892, 6453784, 12907568, 25815136]

約数ペア:

[(1, 25815136), (2, 12907568), (4, 6453784), (8, 3226892), (16, 1613446), (32, 806723), (43, 600352), (73, 353632), (86, 300176), (146, 176816), (172, 150088), (257, 100448), (292, 88408), (344, 75044), (514, 50224), (584, 44204), (688, 37522), (1028, 25112), (1168, 22102), (1376, 18761), (2056, 12556), (2336, 11051), (3139, 8224), (4112, 6278)]