205640318

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{53}}^1\times {\mathrm{79}}^1\times {\mathrm{1889}}^1$

素因数の和:2036

約数の個数: 32

約数和(自身を含む): 342921600

約数和(自身を除く): 137281282

約数列:

[1, 2, 13, 26, 53, 79, 106, 158, 689, 1027, 1378, 1889, 2054, 3778, 4187, 8374, 24557, 49114, 54431, 100117, 108862, 149231, 200234, 298462, 1301521, 1940003, 2603042, 3880006, 7909243, 15818486, 102820159, 205640318]

約数ペア:

[(1, 205640318), (2, 102820159), (13, 15818486), (26, 7909243), (53, 3880006), (79, 2603042), (106, 1940003), (158, 1301521), (689, 298462), (1027, 200234), (1378, 149231), (1889, 108862), (2054, 100117), (3778, 54431), (4187, 49114), (8374, 24557)]