31420558

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{109}}^1\times {\mathrm{11087}}^1$

素因数の和:11211

約数の個数: 16

約数和(自身を含む): 51226560

約数和(自身を除く): 19806002

約数列:

[1, 2, 13, 26, 109, 218, 1417, 2834, 11087, 22174, 144131, 288262, 1208483, 2416966, 15710279, 31420558]

約数ペア:

[(1, 31420558), (2, 15710279), (13, 2416966), (26, 1208483), (109, 288262), (218, 144131), (1417, 22174), (2834, 11087)]