641938845

素因数分解:

$3^1\times 5^1\times {\mathrm{19}}^1\times {\mathrm{41}}^1\times {\mathrm{137}}^1\times {\mathrm{401}}^1$

素因数の和:606

約数の個数: 64

約数和(自身を含む): 1118396160

約数和(自身を除く): 476457315

約数列:

[1, 3, 5, 15, 19, 41, 57, 95, 123, 137, 205, 285, 401, 411, 615, 685, 779, 1203, 2005, 2055, 2337, 2603, 3895, 5617, 6015, 7619, 7809, 11685, 13015, 16441, 16851, 22857, 28085, 38095, 39045, 49323, 54937, 82205, 84255, 106723, 114285, 164811, 246615, 274685, 312379, 320169, 533615, 824055, 937137, 1043803, 1561895, 1600845, 2252417, 3131409, 4685685, 5219015, 6757251, 11262085, 15657045, 33786255, 42795923, 128387769, 213979615, 641938845]

約数ペア:

[(1, 641938845), (3, 213979615), (5, 128387769), (15, 42795923), (19, 33786255), (41, 15657045), (57, 11262085), (95, 6757251), (123, 5219015), (137, 4685685), (205, 3131409), (285, 2252417), (401, 1600845), (411, 1561895), (615, 1043803), (685, 937137), (779, 824055), (1203, 533615), (2005, 320169), (2055, 312379), (2337, 274685), (2603, 246615), (3895, 164811), (5617, 114285), (6015, 106723), (7619, 84255), (7809, 82205), (11685, 54937), (13015, 49323), (16441, 39045), (16851, 38095), (22857, 28085)]