90349655

素因数分解:

$5^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{2789}}^1$

素因数の和:2855

約数の個数: 32

約数和(自身を含む): 128563200

約数和(自身を除く): 38213545

約数列:

[1, 5, 11, 19, 31, 55, 95, 155, 209, 341, 589, 1045, 1705, 2789, 2945, 6479, 13945, 30679, 32395, 52991, 86459, 153395, 264955, 432295, 582901, 951049, 1642721, 2914505, 4755245, 8213605, 18069931, 90349655]

約数ペア:

[(1, 90349655), (5, 18069931), (11, 8213605), (19, 4755245), (31, 2914505), (55, 1642721), (95, 951049), (155, 582901), (209, 432295), (341, 264955), (589, 153395), (1045, 86459), (1705, 52991), (2789, 32395), (2945, 30679), (6479, 13945)]