257065204

素因数分解:

$2^2\times {\mathrm{11}}^1\times {\mathrm{23}}^1\times {\mathrm{389}}^1\times {\mathrm{653}}^1$

素因数の和:1080

約数の個数: 48

約数和(自身を含む): 514200960

約数和(自身を除く): 257135756

約数列:

[1, 2, 4, 11, 22, 23, 44, 46, 92, 253, 389, 506, 653, 778, 1012, 1306, 1556, 2612, 4279, 7183, 8558, 8947, 14366, 15019, 17116, 17894, 28732, 30038, 35788, 60076, 98417, 165209, 196834, 254017, 330418, 393668, 508034, 660836, 1016068, 2794187, 5588374, 5842391, 11176748, 11684782, 23369564, 64266301, 128532602, 257065204]

約数ペア:

[(1, 257065204), (2, 128532602), (4, 64266301), (11, 23369564), (22, 11684782), (23, 11176748), (44, 5842391), (46, 5588374), (92, 2794187), (253, 1016068), (389, 660836), (506, 508034), (653, 393668), (778, 330418), (1012, 254017), (1306, 196834), (1556, 165209), (2612, 98417), (4279, 60076), (7183, 35788), (8558, 30038), (8947, 28732), (14366, 17894), (15019, 17116)]