28748252

素因数分解:

$2^2\times {\mathrm{13}}^2\times {\mathrm{23}}^1\times {\mathrm{43}}^2$

素因数の和:139

約数の個数: 54

約数和(自身を含む): 58198392

約数和(自身を除く): 29450140

約数列:

[1, 2, 4, 13, 23, 26, 43, 46, 52, 86, 92, 169, 172, 299, 338, 559, 598, 676, 989, 1118, 1196, 1849, 1978, 2236, 3698, 3887, 3956, 7267, 7396, 7774, 12857, 14534, 15548, 24037, 25714, 29068, 42527, 48074, 51428, 85054, 96148, 167141, 170108, 312481, 334282, 552851, 624962, 668564, 1105702, 1249924, 2211404, 7187063, 14374126, 28748252]

約数ペア:

[(1, 28748252), (2, 14374126), (4, 7187063), (13, 2211404), (23, 1249924), (26, 1105702), (43, 668564), (46, 624962), (52, 552851), (86, 334282), (92, 312481), (169, 170108), (172, 167141), (299, 96148), (338, 85054), (559, 51428), (598, 48074), (676, 42527), (989, 29068), (1118, 25714), (1196, 24037), (1849, 15548), (1978, 14534), (2236, 12857), (3698, 7774), (3887, 7396), (3956, 7267)]