28839265

素因数分解:

$5^1\times 7^1\times {\mathrm{13}}^1\times {\mathrm{241}}^1\times {\mathrm{263}}^1$

素因数の和:529

約数の個数: 32

約数和(自身を含む): 42932736

約数和(自身を除く): 14093471

約数列:

[1, 5, 7, 13, 35, 65, 91, 241, 263, 455, 1205, 1315, 1687, 1841, 3133, 3419, 8435, 9205, 15665, 17095, 21931, 23933, 63383, 109655, 119665, 316915, 443681, 823979, 2218405, 4119895, 5767853, 28839265]

約数ペア:

[(1, 28839265), (5, 5767853), (7, 4119895), (13, 2218405), (35, 823979), (65, 443681), (91, 316915), (241, 119665), (263, 109655), (455, 63383), (1205, 23933), (1315, 21931), (1687, 17095), (1841, 15665), (3133, 9205), (3419, 8435)]