61171990

素因数分解:

$2^1\times 5^1\times {\mathrm{11}}^1\times {\mathrm{31}}^1\times {\mathrm{17939}}^1$

素因数の和:17988

約数の個数: 32

約数和(自身を含む): 124001280

約数和(自身を除く): 62829290

約数列:

[1, 2, 5, 10, 11, 22, 31, 55, 62, 110, 155, 310, 341, 682, 1705, 3410, 17939, 35878, 89695, 179390, 197329, 394658, 556109, 986645, 1112218, 1973290, 2780545, 5561090, 6117199, 12234398, 30585995, 61171990]

約数ペア:

[(1, 61171990), (2, 30585995), (5, 12234398), (10, 6117199), (11, 5561090), (22, 2780545), (31, 1973290), (55, 1112218), (62, 986645), (110, 556109), (155, 394658), (310, 197329), (341, 179390), (682, 89695), (1705, 35878), (3410, 17939)]