31066805

素因数分解:

$5^1\times 7^1\times {\mathrm{11}}^1\times {\mathrm{19}}^1\times {\mathrm{31}}^1\times {\mathrm{137}}^1$

素因数の和:210

約数の個数: 64

約数和(自身を含む): 50872320

約数和(自身を除く): 19805515

約数列:

[1, 5, 7, 11, 19, 31, 35, 55, 77, 95, 133, 137, 155, 209, 217, 341, 385, 589, 665, 685, 959, 1045, 1085, 1463, 1507, 1705, 2387, 2603, 2945, 4123, 4247, 4795, 6479, 7315, 7535, 10549, 11935, 13015, 18221, 20615, 21235, 28633, 29729, 32395, 45353, 46717, 52745, 80693, 91105, 143165, 148645, 200431, 226765, 233585, 327019, 403465, 564851, 887623, 1002155, 1635095, 2824255, 4438115, 6213361, 31066805]

約数ペア:

[(1, 31066805), (5, 6213361), (7, 4438115), (11, 2824255), (19, 1635095), (31, 1002155), (35, 887623), (55, 564851), (77, 403465), (95, 327019), (133, 233585), (137, 226765), (155, 200431), (209, 148645), (217, 143165), (341, 91105), (385, 80693), (589, 52745), (665, 46717), (685, 45353), (959, 32395), (1045, 29729), (1085, 28633), (1463, 21235), (1507, 20615), (1705, 18221), (2387, 13015), (2603, 11935), (2945, 10549), (4123, 7535), (4247, 7315), (4795, 6479)]