291248815

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{13}}^1\times {\mathrm{19}}^1\times {\mathrm{1949}}^1$

素因数の和:2008

約数の個数: 48

約数和(自身を含む): 435708000

約数和(自身を除く): 144459185

約数列:

[1, 5, 11, 13, 19, 55, 65, 95, 121, 143, 209, 247, 605, 715, 1045, 1235, 1573, 1949, 2299, 2717, 7865, 9745, 11495, 13585, 21439, 25337, 29887, 37031, 107195, 126685, 149435, 185155, 235829, 278707, 407341, 481403, 1179145, 1393535, 2036705, 2407015, 3065777, 4480751, 5295433, 15328885, 22403755, 26477165, 58249763, 291248815]

約数ペア:

[(1, 291248815), (5, 58249763), (11, 26477165), (13, 22403755), (19, 15328885), (55, 5295433), (65, 4480751), (95, 3065777), (121, 2407015), (143, 2036705), (209, 1393535), (247, 1179145), (605, 481403), (715, 407341), (1045, 278707), (1235, 235829), (1573, 185155), (1949, 149435), (2299, 126685), (2717, 107195), (7865, 37031), (9745, 29887), (11495, 25337), (13585, 21439)]