25338005

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^2\times {\mathrm{31}}^1\times {\mathrm{193}}^1$

素因数の和:258

約数の個数: 48

約数和(自身を含む): 39631872

約数和(自身を除く): 14293867

約数列:

[1, 5, 7, 11, 31, 35, 55, 77, 121, 155, 193, 217, 341, 385, 605, 847, 965, 1085, 1351, 1705, 2123, 2387, 3751, 4235, 5983, 6755, 10615, 11935, 14861, 18755, 23353, 26257, 29915, 41881, 65813, 74305, 116765, 131285, 163471, 209405, 329065, 460691, 723943, 817355, 2303455, 3619715, 5067601, 25338005]

約数ペア:

[(1, 25338005), (5, 5067601), (7, 3619715), (11, 2303455), (31, 817355), (35, 723943), (55, 460691), (77, 329065), (121, 209405), (155, 163471), (193, 131285), (217, 116765), (341, 74305), (385, 65813), (605, 41881), (847, 29915), (965, 26257), (1085, 23353), (1351, 18755), (1705, 14861), (2123, 11935), (2387, 10615), (3751, 6755), (4235, 5983)]