28236888

素因数分解:

$2^3\times 3^2\times {\mathrm{19}}^1\times {\mathrm{20641}}^1$

素因数の和:20672

約数の個数: 48

約数和(自身を含む): 80503800

約数和(自身を除く): 52266912

約数列:

[1, 2, 3, 4, 6, 8, 9, 12, 18, 19, 24, 36, 38, 57, 72, 76, 114, 152, 171, 228, 342, 456, 684, 1368, 20641, 41282, 61923, 82564, 123846, 165128, 185769, 247692, 371538, 392179, 495384, 743076, 784358, 1176537, 1486152, 1568716, 2353074, 3137432, 3529611, 4706148, 7059222, 9412296, 14118444, 28236888]

約数ペア:

[(1, 28236888), (2, 14118444), (3, 9412296), (4, 7059222), (6, 4706148), (8, 3529611), (9, 3137432), (12, 2353074), (18, 1568716), (19, 1486152), (24, 1176537), (36, 784358), (38, 743076), (57, 495384), (72, 392179), (76, 371538), (114, 247692), (152, 185769), (171, 165128), (228, 123846), (342, 82564), (456, 61923), (684, 41282), (1368, 20641)]