31478546

素因数分解:

$2^1\times {\mathrm{11}}^1\times {\mathrm{109}}^1\times {\mathrm{13127}}^1$

素因数の和:13249

約数の個数: 16

約数和(自身を含む): 51986880

約数和(自身を除く): 20508334

約数列:

[1, 2, 11, 22, 109, 218, 1199, 2398, 13127, 26254, 144397, 288794, 1430843, 2861686, 15739273, 31478546]

約数ペア:

[(1, 31478546), (2, 15739273), (11, 2861686), (22, 1430843), (109, 288794), (218, 144397), (1199, 26254), (2398, 13127)]