25377884

素因数分解:

$2^2\times 7^3\times {\mathrm{53}}^1\times {\mathrm{349}}^1$

素因数の和:427

約数の個数: 48

約数和(自身を含む): 52920000

約数和(自身を除く): 27542116

約数列:

[1, 2, 4, 7, 14, 28, 49, 53, 98, 106, 196, 212, 343, 349, 371, 686, 698, 742, 1372, 1396, 1484, 2443, 2597, 4886, 5194, 9772, 10388, 17101, 18179, 18497, 34202, 36358, 36994, 68404, 72716, 73988, 119707, 129479, 239414, 258958, 478828, 517916, 906353, 1812706, 3625412, 6344471, 12688942, 25377884]

約数ペア:

[(1, 25377884), (2, 12688942), (4, 6344471), (7, 3625412), (14, 1812706), (28, 906353), (49, 517916), (53, 478828), (98, 258958), (106, 239414), (196, 129479), (212, 119707), (343, 73988), (349, 72716), (371, 68404), (686, 36994), (698, 36358), (742, 34202), (1372, 18497), (1396, 18179), (1484, 17101), (2443, 10388), (2597, 9772), (4886, 5194)]