31001958

素因数分解:

$2^1\times 3^2\times {\mathrm{13}}^1\times {\mathrm{19}}^2\times {\mathrm{367}}^1$

素因数の和:426

約数の個数: 72

約数和(自身を含む): 76553568

約数和(自身を除く): 45551610

約数列:

[1, 2, 3, 6, 9, 13, 18, 19, 26, 38, 39, 57, 78, 114, 117, 171, 234, 247, 342, 361, 367, 494, 722, 734, 741, 1083, 1101, 1482, 2166, 2202, 2223, 3249, 3303, 4446, 4693, 4771, 6498, 6606, 6973, 9386, 9542, 13946, 14079, 14313, 20919, 28158, 28626, 41838, 42237, 42939, 62757, 84474, 85878, 90649, 125514, 132487, 181298, 264974, 271947, 397461, 543894, 794922, 815841, 1192383, 1631682, 1722331, 2384766, 3444662, 5166993, 10333986, 15500979, 31001958]

約数ペア:

[(1, 31001958), (2, 15500979), (3, 10333986), (6, 5166993), (9, 3444662), (13, 2384766), (18, 1722331), (19, 1631682), (26, 1192383), (38, 815841), (39, 794922), (57, 543894), (78, 397461), (114, 271947), (117, 264974), (171, 181298), (234, 132487), (247, 125514), (342, 90649), (361, 85878), (367, 84474), (494, 62757), (722, 42939), (734, 42237), (741, 41838), (1083, 28626), (1101, 28158), (1482, 20919), (2166, 14313), (2202, 14079), (2223, 13946), (3249, 9542), (3303, 9386), (4446, 6973), (4693, 6606), (4771, 6498)]