25710678

素因数分解:

$2^1\times 3^2\times 7^1\times {\mathrm{419}}^1\times {\mathrm{487}}^1$

素因数の和:921

約数の個数: 48

約数和(自身を含む): 63947520

約数和(自身を除く): 38236842

約数列:

[1, 2, 3, 6, 7, 9, 14, 18, 21, 42, 63, 126, 419, 487, 838, 974, 1257, 1461, 2514, 2922, 2933, 3409, 3771, 4383, 5866, 6818, 7542, 8766, 8799, 10227, 17598, 20454, 26397, 30681, 52794, 61362, 204053, 408106, 612159, 1224318, 1428371, 1836477, 2856742, 3672954, 4285113, 8570226, 12855339, 25710678]

約数ペア:

[(1, 25710678), (2, 12855339), (3, 8570226), (6, 4285113), (7, 3672954), (9, 2856742), (14, 1836477), (18, 1428371), (21, 1224318), (42, 612159), (63, 408106), (126, 204053), (419, 61362), (487, 52794), (838, 30681), (974, 26397), (1257, 20454), (1461, 17598), (2514, 10227), (2922, 8799), (2933, 8766), (3409, 7542), (3771, 6818), (4383, 5866)]