25388408

素因数分解:

$2^3\times {\mathrm{19}}^2\times {\mathrm{59}}^1\times {\mathrm{149}}^1$

素因数の和:252

約数の個数: 48

約数和(自身を含む): 51435000

約数和(自身を除く): 26046592

約数列:

[1, 2, 4, 8, 19, 38, 59, 76, 118, 149, 152, 236, 298, 361, 472, 596, 722, 1121, 1192, 1444, 2242, 2831, 2888, 4484, 5662, 8791, 8968, 11324, 17582, 21299, 22648, 35164, 42598, 53789, 70328, 85196, 107578, 167029, 170392, 215156, 334058, 430312, 668116, 1336232, 3173551, 6347102, 12694204, 25388408]

約数ペア:

[(1, 25388408), (2, 12694204), (4, 6347102), (8, 3173551), (19, 1336232), (38, 668116), (59, 430312), (76, 334058), (118, 215156), (149, 170392), (152, 167029), (236, 107578), (298, 85196), (361, 70328), (472, 53789), (596, 42598), (722, 35164), (1121, 22648), (1192, 21299), (1444, 17582), (2242, 11324), (2831, 8968), (2888, 8791), (4484, 5662)]