1618990908

素因数分解:

$2^2\times 3^1\times {\mathrm{157}}^1\times {\mathrm{547}}^1\times {\mathrm{1571}}^1$

素因数の和:2282

約数の個数: 48

約数和(自身を含む): 3811081344

約数和(自身を除く): 2192090436

約数列:

[1, 2, 3, 4, 6, 12, 157, 314, 471, 547, 628, 942, 1094, 1571, 1641, 1884, 2188, 3142, 3282, 4713, 6284, 6564, 9426, 18852, 85879, 171758, 246647, 257637, 343516, 493294, 515274, 739941, 859337, 986588, 1030548, 1479882, 1718674, 2578011, 2959764, 3437348, 5156022, 10312044, 134915909, 269831818, 404747727, 539663636, 809495454, 1618990908]

約数ペア:

[(1, 1618990908), (2, 809495454), (3, 539663636), (4, 404747727), (6, 269831818), (12, 134915909), (157, 10312044), (314, 5156022), (471, 3437348), (547, 2959764), (628, 2578011), (942, 1718674), (1094, 1479882), (1571, 1030548), (1641, 986588), (1884, 859337), (2188, 739941), (3142, 515274), (3282, 493294), (4713, 343516), (6284, 257637), (6564, 246647), (9426, 171758), (18852, 85879)]