201990854

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{31}}^1\times {\mathrm{73}}^1\times {\mathrm{3433}}^1$

素因数の和:3552

約数の個数: 32

約数和(自身を含む): 341531904

約数和(自身を除く): 139541050

約数列:

[1, 2, 13, 26, 31, 62, 73, 146, 403, 806, 949, 1898, 2263, 3433, 4526, 6866, 29419, 44629, 58838, 89258, 106423, 212846, 250609, 501218, 1383499, 2766998, 3257917, 6515834, 7768879, 15537758, 100995427, 201990854]

約数ペア:

[(1, 201990854), (2, 100995427), (13, 15537758), (26, 7768879), (31, 6515834), (62, 3257917), (73, 2766998), (146, 1383499), (403, 501218), (806, 250609), (949, 212846), (1898, 106423), (2263, 89258), (3433, 58838), (4526, 44629), (6866, 29419)]