215933788

素因数分解:

$2^2\times 7^2\times {\mathrm{43}}^1\times {\mathrm{25621}}^1$

素因数の和:25682

約数の個数: 36

約数和(自身を含む): 449819832

約数和(自身を除く): 233886044

約数列:

[1, 2, 4, 7, 14, 28, 43, 49, 86, 98, 172, 196, 301, 602, 1204, 2107, 4214, 8428, 25621, 51242, 102484, 179347, 358694, 717388, 1101703, 1255429, 2203406, 2510858, 4406812, 5021716, 7711921, 15423842, 30847684, 53983447, 107966894, 215933788]

約数ペア:

[(1, 215933788), (2, 107966894), (4, 53983447), (7, 30847684), (14, 15423842), (28, 7711921), (43, 5021716), (49, 4406812), (86, 2510858), (98, 2203406), (172, 1255429), (196, 1101703), (301, 717388), (602, 358694), (1204, 179347), (2107, 102484), (4214, 51242), (8428, 25621)]