12739265

素因数分解:

$5^1\times 7^2\times {\mathrm{11}}^1\times {\mathrm{29}}^1\times {\mathrm{163}}^1$

素因数の和:222

約数の個数: 48

約数和(自身を含む): 20191680

約数和(自身を除く): 7452415

約数列:

[1, 5, 7, 11, 29, 35, 49, 55, 77, 145, 163, 203, 245, 319, 385, 539, 815, 1015, 1141, 1421, 1595, 1793, 2233, 2695, 4727, 5705, 7105, 7987, 8965, 11165, 12551, 15631, 23635, 33089, 39935, 51997, 62755, 78155, 87857, 165445, 231623, 259985, 363979, 439285, 1158115, 1819895, 2547853, 12739265]

約数ペア:

[(1, 12739265), (5, 2547853), (7, 1819895), (11, 1158115), (29, 439285), (35, 363979), (49, 259985), (55, 231623), (77, 165445), (145, 87857), (163, 78155), (203, 62755), (245, 51997), (319, 39935), (385, 33089), (539, 23635), (815, 15631), (1015, 12551), (1141, 11165), (1421, 8965), (1595, 7987), (1793, 7105), (2233, 5705), (2695, 4727)]