663850165

素因数分解:

$5^1\times {\mathrm{11}}^2\times {\mathrm{29}}^1\times {\mathrm{157}}^1\times {\mathrm{241}}^1$

素因数の和:454

約数の個数: 48

約数和(自身を含む): 915369840

約数和(自身を除く): 251519675

約数列:

[1, 5, 11, 29, 55, 121, 145, 157, 241, 319, 605, 785, 1205, 1595, 1727, 2651, 3509, 4553, 6989, 8635, 13255, 17545, 18997, 22765, 29161, 34945, 37837, 50083, 76879, 94985, 145805, 189185, 250415, 384395, 416207, 550913, 845669, 1097273, 2081035, 2754565, 4228345, 4578277, 5486365, 12070003, 22891385, 60350015, 132770033, 663850165]

約数ペア:

[(1, 663850165), (5, 132770033), (11, 60350015), (29, 22891385), (55, 12070003), (121, 5486365), (145, 4578277), (157, 4228345), (241, 2754565), (319, 2081035), (605, 1097273), (785, 845669), (1205, 550913), (1595, 416207), (1727, 384395), (2651, 250415), (3509, 189185), (4553, 145805), (6989, 94985), (8635, 76879), (13255, 50083), (17545, 37837), (18997, 34945), (22765, 29161)]