15981316

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{47}}^1\times {\mathrm{503}}^1$

素因数の和:580

約数の個数: 36

約数和(自身を含む): 30989952

約数和(自身を除く): 15008636

約数列:

[1, 2, 4, 13, 26, 47, 52, 94, 169, 188, 338, 503, 611, 676, 1006, 1222, 2012, 2444, 6539, 7943, 13078, 15886, 23641, 26156, 31772, 47282, 85007, 94564, 170014, 307333, 340028, 614666, 1229332, 3995329, 7990658, 15981316]

約数ペア:

[(1, 15981316), (2, 7990658), (4, 3995329), (13, 1229332), (26, 614666), (47, 340028), (52, 307333), (94, 170014), (169, 94564), (188, 85007), (338, 47282), (503, 31772), (611, 26156), (676, 23641), (1006, 15886), (1222, 13078), (2012, 7943), (2444, 6539)]