31020122

素因数分解:

$2^1\times 7^1\times {\mathrm{19}}^1\times {\mathrm{277}}^1\times {\mathrm{421}}^1$

素因数の和:726

約数の個数: 32

約数和(自身を含む): 56311680

約数和(自身を除く): 25291558

約数列:

[1, 2, 7, 14, 19, 38, 133, 266, 277, 421, 554, 842, 1939, 2947, 3878, 5263, 5894, 7999, 10526, 15998, 36841, 55993, 73682, 111986, 116617, 233234, 816319, 1632638, 2215723, 4431446, 15510061, 31020122]

約数ペア:

[(1, 31020122), (2, 15510061), (7, 4431446), (14, 2215723), (19, 1632638), (38, 816319), (133, 233234), (266, 116617), (277, 111986), (421, 73682), (554, 55993), (842, 36841), (1939, 15998), (2947, 10526), (3878, 7999), (5263, 5894)]