28147886

素因数分解:

$2^1\times {\mathrm{13}}^1\times {\mathrm{17}}^1\times {\mathrm{43}}^1\times {\mathrm{1481}}^1$

素因数の和:1556

約数の個数: 32

約数和(自身を含む): 49297248

約数和(自身を除く): 21149362

約数列:

[1, 2, 13, 17, 26, 34, 43, 86, 221, 442, 559, 731, 1118, 1462, 1481, 2962, 9503, 19006, 19253, 25177, 38506, 50354, 63683, 127366, 327301, 654602, 827879, 1082611, 1655758, 2165222, 14073943, 28147886]

約数ペア:

[(1, 28147886), (2, 14073943), (13, 2165222), (17, 1655758), (26, 1082611), (34, 827879), (43, 654602), (86, 327301), (221, 127366), (442, 63683), (559, 50354), (731, 38506), (1118, 25177), (1462, 19253), (1481, 19006), (2962, 9503)]