217895402

素因数分解:

$2^1\times {\mathrm{41}}^1\times {\mathrm{53}}^1\times {\mathrm{181}}^1\times {\mathrm{277}}^1$

素因数の和:554

約数の個数: 32

約数和(自身を含む): 344255184

約数和(自身を除く): 126359782

約数列:

[1, 2, 41, 53, 82, 106, 181, 277, 362, 554, 2173, 4346, 7421, 9593, 11357, 14681, 14842, 19186, 22714, 29362, 50137, 100274, 393313, 601921, 786626, 1203842, 2055617, 2657261, 4111234, 5314522, 108947701, 217895402]

約数ペア:

[(1, 217895402), (2, 108947701), (41, 5314522), (53, 4111234), (82, 2657261), (106, 2055617), (181, 1203842), (277, 786626), (362, 601921), (554, 393313), (2173, 100274), (4346, 50137), (7421, 29362), (9593, 22714), (11357, 19186), (14681, 14842)]