209399478

素因数分解:

$2^1\times 3^1\times {\mathrm{73}}^1\times {\mathrm{389}}^1\times {\mathrm{1229}}^1$

素因数の和:1696

約数の個数: 32

約数和(自身を含む): 425973600

約数和(自身を除く): 216574122

約数列:

[1, 2, 3, 6, 73, 146, 219, 389, 438, 778, 1167, 1229, 2334, 2458, 3687, 7374, 28397, 56794, 85191, 89717, 170382, 179434, 269151, 478081, 538302, 956162, 1434243, 2868486, 34899913, 69799826, 104699739, 209399478]

約数ペア:

[(1, 209399478), (2, 104699739), (3, 69799826), (6, 34899913), (73, 2868486), (146, 1434243), (219, 956162), (389, 538302), (438, 478081), (778, 269151), (1167, 179434), (1229, 170382), (2334, 89717), (2458, 85191), (3687, 56794), (7374, 28397)]