389638278

素因数分解:

$2^1\times 3^2\times {\mathrm{131}}^1\times {\mathrm{149}}^1\times {\mathrm{1109}}^1$

素因数の和:1397

約数の個数: 48

約数和(自身を含む): 857142000

約数和(自身を除く): 467503722

約数列:

[1, 2, 3, 6, 9, 18, 131, 149, 262, 298, 393, 447, 786, 894, 1109, 1179, 1341, 2218, 2358, 2682, 3327, 6654, 9981, 19519, 19962, 39038, 58557, 117114, 145279, 165241, 175671, 290558, 330482, 351342, 435837, 495723, 871674, 991446, 1307511, 1487169, 2615022, 2974338, 21646571, 43293142, 64939713, 129879426, 194819139, 389638278]

約数ペア:

[(1, 389638278), (2, 194819139), (3, 129879426), (6, 64939713), (9, 43293142), (18, 21646571), (131, 2974338), (149, 2615022), (262, 1487169), (298, 1307511), (393, 991446), (447, 871674), (786, 495723), (894, 435837), (1109, 351342), (1179, 330482), (1341, 290558), (2218, 175671), (2358, 165241), (2682, 145279), (3327, 117114), (6654, 58557), (9981, 39038), (19519, 19962)]