25974025

素因数分解:

$5^2\times 7^1\times {\mathrm{11}}^1\times {\mathrm{103}}^1\times {\mathrm{131}}^1$

素因数の和:262

約数の個数: 48

約数和(自身を含む): 40854528

約数和(自身を除く): 14880503

約数列:

[1, 5, 7, 11, 25, 35, 55, 77, 103, 131, 175, 275, 385, 515, 655, 721, 917, 1133, 1441, 1925, 2575, 3275, 3605, 4585, 5665, 7205, 7931, 10087, 13493, 18025, 22925, 28325, 36025, 39655, 50435, 67465, 94451, 148423, 198275, 252175, 337325, 472255, 742115, 1038961, 2361275, 3710575, 5194805, 25974025]

約数ペア:

[(1, 25974025), (5, 5194805), (7, 3710575), (11, 2361275), (25, 1038961), (35, 742115), (55, 472255), (77, 337325), (103, 252175), (131, 198275), (175, 148423), (275, 94451), (385, 67465), (515, 50435), (655, 39655), (721, 36025), (917, 28325), (1133, 22925), (1441, 18025), (1925, 13493), (2575, 10087), (3275, 7931), (3605, 7205), (4585, 5665)]