25379116

素因数分解:

$2^2\times 7^1\times {\mathrm{43}}^1\times {\mathrm{107}}^1\times {\mathrm{197}}^1$

素因数の和:358

約数の個数: 48

約数和(自身を含む): 52690176

約数和(自身を除く): 27311060

約数列:

[1, 2, 4, 7, 14, 28, 43, 86, 107, 172, 197, 214, 301, 394, 428, 602, 749, 788, 1204, 1379, 1498, 2758, 2996, 4601, 5516, 8471, 9202, 16942, 18404, 21079, 32207, 33884, 42158, 59297, 64414, 84316, 118594, 128828, 147553, 237188, 295106, 590212, 906397, 1812794, 3625588, 6344779, 12689558, 25379116]

約数ペア:

[(1, 25379116), (2, 12689558), (4, 6344779), (7, 3625588), (14, 1812794), (28, 906397), (43, 590212), (86, 295106), (107, 237188), (172, 147553), (197, 128828), (214, 118594), (301, 84316), (394, 64414), (428, 59297), (602, 42158), (749, 33884), (788, 32207), (1204, 21079), (1379, 18404), (1498, 16942), (2758, 9202), (2996, 8471), (4601, 5516)]