221497918

素因数分解:

$2^1\times {\mathrm{53}}^1\times {\mathrm{59}}^1\times {\mathrm{107}}^1\times {\mathrm{331}}^1$

素因数の和:552

約数の個数: 32

約数和(自身を含む): 348520320

約数和(自身を除く): 127022402

約数列:

[1, 2, 53, 59, 106, 107, 118, 214, 331, 662, 3127, 5671, 6254, 6313, 11342, 12626, 17543, 19529, 35086, 35417, 39058, 70834, 334589, 669178, 1035037, 1877101, 2070074, 2089603, 3754202, 4179206, 110748959, 221497918]

約数ペア:

[(1, 221497918), (2, 110748959), (53, 4179206), (59, 3754202), (106, 2089603), (107, 2070074), (118, 1877101), (214, 1035037), (331, 669178), (662, 334589), (3127, 70834), (5671, 39058), (6254, 35417), (6313, 35086), (11342, 19529), (12626, 17543)]