25147444

素因数分解:

$2^2\times 7^1\times {\mathrm{47}}^1\times {\mathrm{97}}^1\times {\mathrm{197}}^1$

素因数の和:352

約数の個数: 48

約数和(自身を含む): 52157952

約数和(自身を除く): 27010508

約数列:

[1, 2, 4, 7, 14, 28, 47, 94, 97, 188, 194, 197, 329, 388, 394, 658, 679, 788, 1316, 1358, 1379, 2716, 2758, 4559, 5516, 9118, 9259, 18236, 18518, 19109, 31913, 37036, 38218, 63826, 64813, 76436, 127652, 129626, 133763, 259252, 267526, 535052, 898123, 1796246, 3592492, 6286861, 12573722, 25147444]

約数ペア:

[(1, 25147444), (2, 12573722), (4, 6286861), (7, 3592492), (14, 1796246), (28, 898123), (47, 535052), (94, 267526), (97, 259252), (188, 133763), (194, 129626), (197, 127652), (329, 76436), (388, 64813), (394, 63826), (658, 38218), (679, 37036), (788, 31913), (1316, 19109), (1358, 18518), (1379, 18236), (2716, 9259), (2758, 9118), (4559, 5516)]