201994738

素因数分解:

$2^1\times {\mathrm{11}}^2\times {\mathrm{19}}^1\times {\mathrm{197}}^1\times {\mathrm{223}}^1$

素因数の和:463

約数の個数: 48

約数和(自身を含む): 353928960

約数和(自身を除く): 151934222

約数列:

[1, 2, 11, 19, 22, 38, 121, 197, 209, 223, 242, 394, 418, 446, 2167, 2299, 2453, 3743, 4237, 4334, 4598, 4906, 7486, 8474, 23837, 26983, 41173, 43931, 46607, 47674, 53966, 82346, 87862, 93214, 452903, 483241, 512677, 834689, 905806, 966482, 1025354, 1669378, 5315651, 9181579, 10631302, 18363158, 100997369, 201994738]

約数ペア:

[(1, 201994738), (2, 100997369), (11, 18363158), (19, 10631302), (22, 9181579), (38, 5315651), (121, 1669378), (197, 1025354), (209, 966482), (223, 905806), (242, 834689), (394, 512677), (418, 483241), (446, 452903), (2167, 93214), (2299, 87862), (2453, 82346), (3743, 53966), (4237, 47674), (4334, 46607), (4598, 43931), (4906, 41173), (7486, 26983), (8474, 23837)]