201806605

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{13}}^1\times {\mathrm{61}}^1\times {\mathrm{661}}^1$

素因数の和:758

約数の個数: 64

約数和(自身を含む): 330978816

約数和(自身を除く): 129172211

約数列:

[1, 5, 7, 11, 13, 35, 55, 61, 65, 77, 91, 143, 305, 385, 427, 455, 661, 671, 715, 793, 1001, 2135, 3305, 3355, 3965, 4627, 4697, 5005, 5551, 7271, 8593, 8723, 23135, 23485, 27755, 36355, 40321, 42965, 43615, 50897, 60151, 61061, 94523, 201605, 254485, 282247, 300755, 305305, 443531, 472615, 524173, 661661, 1411235, 2217655, 2620865, 3104717, 3308305, 3669211, 5765903, 15523585, 18346055, 28829515, 40361321, 201806605]

約数ペア:

[(1, 201806605), (5, 40361321), (7, 28829515), (11, 18346055), (13, 15523585), (35, 5765903), (55, 3669211), (61, 3308305), (65, 3104717), (77, 2620865), (91, 2217655), (143, 1411235), (305, 661661), (385, 524173), (427, 472615), (455, 443531), (661, 305305), (671, 300755), (715, 282247), (793, 254485), (1001, 201605), (2135, 94523), (3305, 61061), (3355, 60151), (3965, 50897), (4627, 43615), (4697, 42965), (5005, 40321), (5551, 36355), (7271, 27755), (8593, 23485), (8723, 23135)]