678534428

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{1186249}}^1$

素因数の和:1186277

約数の個数: 24

約数和(自身を含む): 1395030000

約数和(自身を除く): 716495572

約数列:

[1, 2, 4, 11, 13, 22, 26, 44, 52, 143, 286, 572, 1186249, 2372498, 4744996, 13048739, 15421237, 26097478, 30842474, 52194956, 61684948, 169633607, 339267214, 678534428]

約数ペア:

[(1, 678534428), (2, 339267214), (4, 169633607), (11, 61684948), (13, 52194956), (22, 30842474), (26, 26097478), (44, 15421237), (52, 13048739), (143, 4744996), (286, 2372498), (572, 1186249)]