257500516

素因数分解:

$2^2\times 7^1\times {\mathrm{13}}^1\times {\mathrm{599}}^1\times {\mathrm{1181}}^1$

素因数の和:1804

約数の個数: 48

約数和(自身を含む): 556012800

約数和(自身を除く): 298512284

約数列:

[1, 2, 4, 7, 13, 14, 26, 28, 52, 91, 182, 364, 599, 1181, 1198, 2362, 2396, 4193, 4724, 7787, 8267, 8386, 15353, 15574, 16534, 16772, 30706, 31148, 33068, 54509, 61412, 107471, 109018, 214942, 218036, 429884, 707419, 1414838, 2829676, 4951933, 9196447, 9903866, 18392894, 19807732, 36785788, 64375129, 128750258, 257500516]

約数ペア:

[(1, 257500516), (2, 128750258), (4, 64375129), (7, 36785788), (13, 19807732), (14, 18392894), (26, 9903866), (28, 9196447), (52, 4951933), (91, 2829676), (182, 1414838), (364, 707419), (599, 429884), (1181, 218036), (1198, 214942), (2362, 109018), (2396, 107471), (4193, 61412), (4724, 54509), (7787, 33068), (8267, 31148), (8386, 30706), (15353, 16772), (15574, 16534)]