31708292

素因数分解:

$2^2\times 7^3\times {\mathrm{11}}^2\times {\mathrm{191}}^1$

素因数の和:238

約数の個数: 72

約数和(自身を含む): 71500800

約数和(自身を除く): 39792508

約数列:

[1, 2, 4, 7, 11, 14, 22, 28, 44, 49, 77, 98, 121, 154, 191, 196, 242, 308, 343, 382, 484, 539, 686, 764, 847, 1078, 1337, 1372, 1694, 2101, 2156, 2674, 3388, 3773, 4202, 5348, 5929, 7546, 8404, 9359, 11858, 14707, 15092, 18718, 23111, 23716, 29414, 37436, 41503, 46222, 58828, 65513, 83006, 92444, 102949, 131026, 161777, 166012, 205898, 262052, 323554, 411796, 647108, 720643, 1132439, 1441286, 2264878, 2882572, 4529756, 7927073, 15854146, 31708292]

約数ペア:

[(1, 31708292), (2, 15854146), (4, 7927073), (7, 4529756), (11, 2882572), (14, 2264878), (22, 1441286), (28, 1132439), (44, 720643), (49, 647108), (77, 411796), (98, 323554), (121, 262052), (154, 205898), (191, 166012), (196, 161777), (242, 131026), (308, 102949), (343, 92444), (382, 83006), (484, 65513), (539, 58828), (686, 46222), (764, 41503), (847, 37436), (1078, 29414), (1337, 23716), (1372, 23111), (1694, 18718), (2101, 15092), (2156, 14707), (2674, 11858), (3388, 9359), (3773, 8404), (4202, 7546), (5348, 5929)]